#231D5E#231D5E

#231D5E is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.3% C 0.111 H 280.8°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#231D5E
RGB	rgb(35, 29, 94)
HSL	hsl(246, 53%, 24%)
HSV	hsv(246, 69%, 37%)
CMYK	cmyk(62.8%, 69.1%, 0%, 63.1%)
CIE-LAB	lab(15.72, 23.93, -37.94)
CIE-LCH	lch(15.72, 44.86, 302.24°)
OKLab	oklab(28.35% 0.0208 -0.1092)
OKLCH	oklch(28.35% 0.111 280.8)
XYZ	xyz(3.1522, 2.0440, 10.8159)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D5E #585E1D

analogous

#1D385E #231D5E #441D5E

triadic

#231D5E #5E231D #1D5E23

tetradic

#231D5E #5E1D38 #585E1D #1D5E44

square

#231D5E #5E1D38 #585E1D #1D5E44

split-complementary

#231D5E #5E441D #385E1D

monochromatic

#090717 #120F2F #231D5E #342B8D #463ABC

Accessibility & contrast

On white

14.91

#231D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#231D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D5E

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D5E	#FFFFFF	#000000	##FFFFFF
##231D5E	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A60

Deuteranopia (green-blind)

#00255D

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #231d5e;
/* rgb */ color: rgb(35, 29, 94);
/* oklch */ color: oklch(28.3% 0.111 280.8);

Tailwind

colors: {
  custom: {
    50: '#65598c',
    500: '#231d5e',
    950: '#000000',
  },
}

SCSS

$custom: #231d5e;
$custom-light: #65598c;
$custom-dark: #000000;

JSON

{
  "hex": "#231d5e",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 94
  },
  "hsl": {
    "h": 245.538,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28346,
    "c": 0.11112,
    "h": 280.8
  },
  "luminance": 0.02044
}

Semantic roles & 50–950 ramp

primary

#231D5E

secondary

#8C9344

accent

#DC4CCF

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231D5E

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

Preview Lab → · Contrast checker → · Palette generator →