HSL(233, 37%, 40%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(233,37%,40%)]

Color Conversions

Format Value CSS Usage
HSL hsl(233, 37%, 40%) color: hsl(233, 37%, 40%)
HEX #40498C color: #40498C
RGB rgb(64, 73, 140) color: rgb(64, 73, 140)
CMYK cmyk(54%, 48%, 0%, 45%) —
HSV hsv(233, 54%, 55%) —
HWB hwb(233 25% 45%) color: hwb(233 25% 45%)
OKLCH oklch(0.4326 0.1101 275.07) color: oklch(0.4326 0.1101 275.07)
Lab lab(33.45 16.66 -38.52) color: lab(33.45 16.66 -38.52)
LCH lch(33.45 41.97 293.39) color: lch(33.45 41.97 293.39)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 8.24:1
vs Black 2.55:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#44447C — rgb(68, 68, 124)

Deuteranopia (Green-blind)

#434378 — rgb(67, 67, 120)

Tritanopia (Blue-blind)

#406F6C — rgb(64, 111, 108)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(233, 37%, 40%);

text

color: hsl(233, 37%, 40%);

border

border: 2px solid hsl(233, 37%, 40%);

gradient light

background: linear-gradient(to right, hsl(233, 37%, 60%), hsl(233, 37%, 40%));

gradient dark

background: linear-gradient(to right, hsl(233, 37%, 40%), hsl(233, 37%, 20%))

hex

background-color: #40498C;

tailwind

bg-[hsl(233,37%,40%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(233, 37%, 40%, 0.4);

css variable

--color-primary: hsl(233, 37%, 40%);

Related Colors

#555977

233,17,40

#2C39A0

233,57,40

#202546

233,37,20

#737CBF

233,37,60

#405C8C

218,37,40

#40568C

223,37,40

#44408C

243,37,40

#4A408C

248,37,40

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(233, 37%, 40%)?

HEX: #40498C | RGB: rgb(64, 73, 140) | CMYK: 54%, 48%, 0%, 45% | HSV: 233°, 54%, 55%. Copy any format from the conversion table above.

What colors go well with #40498C?

The complementary color is HSL(53, 37%, 40%). For a triadic harmony, use hues 233°, 353°, and 113°. For analogous combinations, try hues 203° and 263°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(233, 37%, 40%) in CSS?

As HSL: color: hsl(233, 37%, 40%); — As HEX: color: #40498C; — As RGB: color: rgb(64, 73, 140); — Tailwind CSS: bg-[hsl(233,37%,40%)] — CSS variable: --color-primary: hsl(233, 37%, 40%);