#231D95#231D95

#231D95 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.184 H 273.1°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#231D95
RGB	rgb(35, 29, 149)
HSL	hsl(243, 67%, 35%)
HSV	hsv(243, 81%, 58%)
CMYK	cmyk(76.5%, 80.5%, 0%, 41.6%)
CIE-LAB	lab(21.60, 42.98, -63.47)
CIE-LCH	lch(21.60, 76.65, 304.11°)
OKLab	oklab(34.29% 0.0099 -0.1836)
OKLCH	oklch(34.29% 0.184 273.1)
XYZ	xyz(6.5555, 3.4053, 28.7397)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D95 #8F951D

analogous

#1D5395 #231D95 #5F1D95

triadic

#231D95 #95231D #1D9523

tetradic

#231D95 #951D53 #8F951D #1D955F

square

#231D95 #951D53 #8F951D #1D955F

split-complementary

#231D95 #955F1D #53951D

monochromatic

#0B092F #171362 #231D95 #2F27C8 #5750DD

Accessibility & contrast

On white

12.49

#231D95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#231D95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D95

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D95	#FFFFFF	#000000	##FFFFFF
##231D95	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003998

Deuteranopia (green-blind)

#002E93

Tritanopia (blue-blind)

#004259

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #231d95;
/* rgb */ color: rgb(35, 29, 149);
/* oklch */ color: oklch(34.3% 0.184 273.1);

Tailwind

colors: {
  custom: {
    50: '#735cb5',
    500: '#231d95',
    950: '#000000',
  },
}

SCSS

$custom: #231d95;
$custom-light: #735cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#231d95",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 149
  },
  "hsl": {
    "h": 243,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34289,
    "c": 0.1839,
    "h": 273.1
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#231D95

secondary

#BAC04E

accent

#EA3DE2

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231D95

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

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