#231B95#231B95

#231B95 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.0% C 0.186 H 273.3°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#231B95
RGB	rgb(35, 27, 149)
HSL	hsl(244, 69%, 35%)
HSV	hsv(244, 82%, 58%)
CMYK	cmyk(76.5%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(21.25, 44.01, -64.05)
CIE-LCH	lch(21.25, 77.71, 304.49°)
OKLab	oklab(34.04% 0.0106 -0.1853)
OKLCH	oklch(34.04% 0.186 273.3)
XYZ	xyz(6.5081, 3.3104, 28.7239)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231B95 #8D951B

analogous

#1B5095 #231B95 #601B95

triadic

#231B95 #95231B #1B9523

tetradic

#231B95 #951B50 #8D951B #1B9560

square

#231B95 #951B50 #8D951B #1B9560

split-complementary

#231B95 #95601B #50951B

monochromatic

#0B082D #171261 #231B95 #2F24C9 #554CDF

Accessibility & contrast

On white

12.63

#231B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#231B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231B95

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231B95	#FFFFFF	#000000	##FFFFFF
##231B95	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003998

Deuteranopia (green-blind)

#002D93

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #231b95;
/* rgb */ color: rgb(35, 27, 149);
/* oklch */ color: oklch(34.0% 0.186 273.3);

Tailwind

colors: {
  custom: {
    50: '#735bb5',
    500: '#231b95',
    950: '#000000',
  },
}

SCSS

$custom: #231b95;
$custom-light: #735bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#231b95",
  "rgb": {
    "r": 35,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 243.934,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34043,
    "c": 0.1856,
    "h": 273.3
  },
  "luminance": 0.03311
}

Semantic roles & 50–950 ramp

primary

#231B95

secondary

#B9C14B

accent

#EC3CE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231B95

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

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