HSL(231, 87%, 33%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,87%,33%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 87%, 33%) color: hsl(231, 87%, 33%)
HEX #0B219D color: #0B219D
RGB rgb(11, 33, 157) color: rgb(11, 33, 157)
CMYK cmyk(93%, 79%, 0%, 38%) —
HSV hsv(231, 93%, 62%) —
HWB hwb(231 4% 38%) color: hwb(231 4% 38%)
OKLCH oklch(0.3476 0.1957 265.66) color: oklch(0.3476 0.1957 265.66)
Lab lab(22.27 42.24 -67.3) color: lab(22.27 42.24 -67.3)
LCH lch(22.27 79.46 302.11) color: lch(22.27 79.46 302.11)

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 12.22:1
vs Black 1.72:1

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)

#15157F — rgb(21, 21, 127)

Deuteranopia (Green-blind)

#131278 — rgb(19, 18, 120)

Tritanopia (Blue-blind)

#0C6762 — rgb(12, 103, 98)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 87%, 33%);

text

color: hsl(231, 87%, 33%);

border

border: 2px solid hsl(231, 87%, 33%);

gradient light

background: linear-gradient(to right, hsl(231, 87%, 53%), hsl(231, 87%, 33%));

gradient dark

background: linear-gradient(to right, hsl(231, 87%, 33%), hsl(231, 87%, 13%))

hex

background-color: #0B219D;

tailwind

bg-[hsl(231,87%,33%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 87%, 33%, 0.4);

css variable

--color-primary: hsl(231, 87%, 33%);

Related Colors

#1C2D8D

231,67,33

#0019A8

231,100,33

#040D3E

231,87,13

#1F3EEF

231,87,53

#0B469D

216,87,33

#0B399D

221,87,33

#0D0B9D

241,87,33

#1A0B9D

246,87,33

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(231, 87%, 33%)?

HEX: #0B219D | RGB: rgb(11, 33, 157) | CMYK: 93%, 79%, 0%, 38% | HSV: 231°, 93%, 62%. Copy any format from the conversion table above.

What colors go well with #0B219D?

The complementary color is HSL(51, 87%, 33%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 87%, 33%) in CSS?

As HSL: color: hsl(231, 87%, 33%); — As HEX: color: #0B219D; — As RGB: color: rgb(11, 33, 157); — Tailwind CSS: bg-[hsl(231,87%,33%)] — CSS variable: --color-primary: hsl(231, 87%, 33%);