#231C5D#231C5D

#231C5D is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.1% C 0.111 H 281.4°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#231C5D
RGB	rgb(35, 28, 93)
HSL	hsl(246, 54%, 24%)
HSV	hsv(246, 70%, 36%)
CMYK	cmyk(62.4%, 69.9%, 0%, 63.5%)
CIE-LAB	lab(15.37, 24.25, -37.84)
CIE-LCH	lch(15.37, 44.94, 302.65°)
OKLab	oklab(28.07% 0.0219 -0.1089)
OKLCH	oklch(28.07% 0.111 281.4)
XYZ	xyz(3.0836, 1.9779, 10.5731)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C5D #565D1C

analogous

#1C355D #231C5D #431C5D

triadic

#231C5D #5D231C #1C5D23

tetradic

#231C5D #5D1C35 #565D1C #1C5D43

square

#231C5D #5D1C35 #565D1C #1C5D43

split-complementary

#231C5D #5D431C #355D1C

monochromatic

#090718 #110E2E #231C5D #352A8C #4638BB

Accessibility & contrast

On white

15.05

#231C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#231C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C5D

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C5D	#FFFFFF	#000000	##FFFFFF
##231C5D	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295F

Deuteranopia (green-blind)

#00245C

Tritanopia (blue-blind)

#022C39

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #231c5d;
/* rgb */ color: rgb(35, 28, 93);
/* oklch */ color: oklch(28.1% 0.111 281.4);

Tailwind

colors: {
  custom: {
    50: '#65588c',
    500: '#231c5d',
    950: '#000000',
  },
}

SCSS

$custom: #231c5d;
$custom-light: #65588c;
$custom-dark: #000000;

JSON

{
  "hex": "#231c5d",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 246.462,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.28066,
    "c": 0.11104,
    "h": 281.4
  },
  "luminance": 0.01978
}

Semantic roles & 50–950 ramp

primary

#231C5D

secondary

#8A9242

accent

#DD4BCD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231C5D

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

Preview Lab → · Contrast checker → · Palette generator →