#231A91#231A91

#231A91 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.5% C 0.182 H 273.8°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#231A91
RGB	rgb(35, 26, 145)
HSL	hsl(245, 70%, 34%)
HSV	hsv(245, 82%, 57%)
CMYK	cmyk(75.9%, 82.1%, 0%, 43.1%)
CIE-LAB	lab(20.60, 43.23, -62.65)
CIE-LCH	lch(20.60, 76.12, 304.60°)
OKLab	oklab(33.45% 0.0119 -0.1812)
OKLCH	oklch(33.45% 0.182 273.8)
XYZ	xyz(6.1717, 3.1398, 27.0634)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A91 #88911A

analogous

#1A4C91 #231A91 #5E1A91

triadic

#231A91 #91231A #1A9123

tetradic

#231A91 #911A4C #88911A #1A915E

square

#231A91 #911A4C #88911A #1A915E

split-complementary

#231A91 #915E1A #4C911A

monochromatic

#0A0729 #16115D #231A91 #3023C5 #5347DE

Accessibility & contrast

On white

12.90

#231A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#231A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A91

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A91	#FFFFFF	#000000	##FFFFFF
##231A91	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003794

Deuteranopia (green-blind)

#002C8F

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #231a91;
/* rgb */ color: rgb(35, 26, 145);
/* oklch */ color: oklch(33.5% 0.182 273.8);

Tailwind

colors: {
  custom: {
    50: '#725ab3',
    500: '#231a91',
    950: '#000000',
  },
}

SCSS

$custom: #231a91;
$custom-light: #725ab3;
$custom-dark: #000000;

JSON

{
  "hex": "#231a91",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 145
  },
  "hsl": {
    "h": 244.538,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33451,
    "c": 0.18162,
    "h": 273.8
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#231A91

secondary

#B7C047

accent

#EC3BDF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231A91

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

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