#231F95#231F95

#231F95 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.182 H 272.9°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#231F95
RGB	rgb(35, 31, 149)
HSL	hsl(242, 66%, 35%)
HSV	hsv(242, 79%, 58%)
CMYK	cmyk(76.5%, 79.2%, 0%, 41.6%)
CIE-LAB	lab(21.97, 41.92, -62.86)
CIE-LCH	lch(21.97, 75.55, 303.70°)
OKLab	oklab(34.55% 0.0091 -0.1819)
OKLCH	oklch(34.55% 0.182 272.9)
XYZ	xyz(6.6061, 3.5065, 28.7566)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231F95 #91951F

analogous

#1F5695 #231F95 #5E1F95

triadic

#231F95 #95231F #1F9523

tetradic

#231F95 #951F56 #91951F #1F955E

square

#231F95 #951F56 #91951F #1F955E

split-complementary

#231F95 #955E1F #56951F

monochromatic

#0B0A30 #171462 #231F95 #2F2AC8 #5853DB

Accessibility & contrast

On white

12.34

#231F95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#231F95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231F95

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231F95	#FFFFFF	#000000	##FFFFFF
##231F95	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A98

Deuteranopia (green-blind)

#002F93

Tritanopia (blue-blind)

#004359

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #231f95;
/* rgb */ color: rgb(35, 31, 149);
/* oklch */ color: oklch(34.5% 0.182 272.9);

Tailwind

colors: {
  custom: {
    50: '#725db5',
    500: '#231f95',
    950: '#000000',
  },
}

SCSS

$custom: #231f95;
$custom-light: #725db5;
$custom-dark: #000000;

JSON

{
  "hex": "#231f95",
  "rgb": {
    "r": 35,
    "g": 31,
    "b": 149
  },
  "hsl": {
    "h": 242.034,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34547,
    "c": 0.18212,
    "h": 272.9
  },
  "luminance": 0.03507
}

Semantic roles & 50–950 ramp

primary

#231F95

secondary

#BBBF51

accent

#E93FE3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231F95

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

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