HSL(228, 40%, 17%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(228,40%,17%)]

Color Conversions

Format Value CSS Usage
HSL hsl(228, 40%, 17%) color: hsl(228, 40%, 17%)
HEX #1A213D color: #1A213D
RGB rgb(26, 33, 61) color: rgb(26, 33, 61)
CMYK cmyk(57%, 46%, 0%, 76%) —
HSV hsv(228, 57%, 24%) —
HWB hwb(228 10% 76%) color: hwb(228 10% 76%)
OKLCH oklch(0.2566 0.0537 271.57) color: oklch(0.2566 0.0537 271.57)
Lab lab(13.5 6.43 -18.98) color: lab(13.5 6.43 -18.98)
LCH lch(13.5 20.04 288.72) color: lch(13.5 20.04 288.72)

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 15.8:1
vs Black 1.33:1

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)

#1D1D36 — rgb(29, 29, 54)

Deuteranopia (Green-blind)

#1D1C35 — rgb(29, 28, 53)

Tritanopia (Blue-blind)

#1A3130 — rgb(26, 49, 48)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(228, 40%, 17%);

text

color: hsl(228, 40%, 17%);

border

border: 2px solid hsl(228, 40%, 17%);

gradient light

background: linear-gradient(to right, hsl(228, 40%, 37%), hsl(228, 40%, 17%));

gradient dark

background: linear-gradient(to right, hsl(228, 40%, 17%), hsl(228, 40%, 0%))

hex

background-color: #1A213D;

tailwind

bg-[hsl(228,40%,17%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(228, 40%, 17%, 0.4);

css variable

--color-primary: hsl(228, 40%, 17%);

Related Colors

#232634

228,20,17

#111C45

228,60,17

#000000

228,40,0

#394884

228,40,37

#1A2A3D

213,40,17

#1A273D

218,40,17

#1A1B3D

238,40,17

#1C1A3D

243,40,17

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(228, 40%, 17%)?

HEX: #1A213D | RGB: rgb(26, 33, 61) | CMYK: 57%, 46%, 0%, 76% | HSV: 228°, 57%, 24%. Copy any format from the conversion table above.

What colors go well with #1A213D?

The complementary color is HSL(48, 40%, 17%). For a triadic harmony, use hues 228°, 348°, and 108°. For analogous combinations, try hues 198° and 258°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(228, 40%, 17%) in CSS?

As HSL: color: hsl(228, 40%, 17%); — As HEX: color: #1A213D; — As RGB: color: rgb(26, 33, 61); — Tailwind CSS: bg-[hsl(228,40%,17%)] — CSS variable: --color-primary: hsl(228, 40%, 17%);