#231D6A#231D6A

#231D6A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.128 H 278.6°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#231D6A
RGB	rgb(35, 29, 106)
HSL	hsl(245, 57%, 26%)
HSV	hsv(245, 73%, 42%)
CMYK	cmyk(67%, 72.6%, 0%, 58.4%)
CIE-LAB	lab(16.88, 28.26, -43.96)
CIE-LCH	lch(16.88, 52.26, 302.73°)
OKLab	oklab(29.54% 0.0191 -0.1268)
OKLCH	oklch(29.54% 0.128 278.6)
XYZ	xyz(3.7332, 2.2764, 13.8755)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D6A #646A1D

analogous

#1D3E6A #231D6A #4A1D6A

triadic

#231D6A #6A231D #1D6A23

tetradic

#231D6A #6A1D3E #646A1D #1D6A4A

square

#231D6A #6A1D3E #646A1D #1D6A4A

split-complementary

#231D6A #6A4A1D #3E6A1D

monochromatic

#080718 #13103A #231D6A #332A9A #4439C9

Accessibility & contrast

On white

14.43

#231D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#231D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D6A

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D6A	#FFFFFF	#000000	##FFFFFF
##231D6A	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6C

Deuteranopia (green-blind)

#002669

Tritanopia (blue-blind)

#003241

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #231d6a;
/* rgb */ color: rgb(35, 29, 106);
/* oklch */ color: oklch(29.5% 0.128 278.6);

Tailwind

colors: {
  custom: {
    50: '#685a95',
    500: '#231d6a',
    950: '#000000',
  },
}

SCSS

$custom: #231d6a;
$custom-light: #685a95;
$custom-dark: #000000;

JSON

{
  "hex": "#231d6a",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 106
  },
  "hsl": {
    "h": 244.675,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.2954,
    "c": 0.12824,
    "h": 278.6
  },
  "luminance": 0.02277
}

Semantic roles & 50–950 ramp

primary

#231D6A

secondary

#989F44

accent

#E048D4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #231D6A

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

Preview Lab → · Contrast checker → · Palette generator →