#231C52#231C52

#231C52 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.095 H 284.0°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#231C52
RGB	rgb(35, 28, 82)
HSL	hsl(248, 49%, 22%)
HSV	hsv(248, 66%, 32%)
CMYK	cmyk(57.3%, 65.9%, 0%, 67.8%)
CIE-LAB	lab(14.38, 20.29, -32.04)
CIE-LCH	lch(14.38, 37.92, 302.34°)
OKLab	oklab(27.04% 0.0229 -0.0918)
OKLCH	oklch(27.04% 0.095 284)
XYZ	xyz(2.6309, 1.7969, 8.1892)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C52 #4B521C

analogous

#1C3052 #231C52 #3E1C52

triadic

#231C52 #52231C #1C5223

tetradic

#231C52 #521C30 #4B521C #1C523E

square

#231C52 #521C30 #4B521C #1C523E

split-complementary

#231C52 #523E1C #30521C

monochromatic

#0A0817 #100C24 #231C52 #362C80 #4A3BAD

Accessibility & contrast

On white

15.45

#231C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#231C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C52

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C52	#FFFFFF	#000000	##FFFFFF
##231C52	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002654

Deuteranopia (green-blind)

#002351

Tritanopia (blue-blind)

#102934

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #231c52;
/* rgb */ color: rgb(35, 28, 82);
/* oklch */ color: oklch(27.0% 0.095 284.0);

Tailwind

colors: {
  custom: {
    50: '#635883',
    500: '#231c52',
    950: '#000000',
  },
}

SCSS

$custom: #231c52;
$custom-light: #635883;
$custom-dark: #000000;

JSON

{
  "hex": "#231c52",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 82
  },
  "hsl": {
    "h": 247.778,
    "s": 49.091,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27036,
    "c": 0.09462,
    "h": 284
  },
  "luminance": 0.01797
}

Semantic roles & 50–950 ramp

primary

#231C52

secondary

#7F8842

accent

#D94FC7

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#05030B

muted

#7A787C

Preview Lab

Preview with #231C52

Body copy rendered with the generated semantic roles for this colour.

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