#231A88#231A88

#231A88 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.171 H 274.8°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#231A88
RGB	rgb(35, 26, 136)
HSL	hsl(245, 68%, 32%)
HSV	hsv(245, 81%, 53%)
CMYK	cmyk(74.3%, 80.9%, 0%, 46.7%)
CIE-LAB	lab(19.53, 40.31, -58.80)
CIE-LCH	lch(19.53, 71.29, 304.43°)
OKLab	oklab(32.4% 0.0143 -0.17)
OKLCH	oklch(32.4% 0.171 274.8)
XYZ	xyz(5.5050, 2.8731, 23.5522)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A88 #7F881A

analogous

#1A4888 #231A88 #5A1A88

triadic

#231A88 #88231A #1A8823

tetradic

#231A88 #881A48 #7F881A #1A885A

square

#231A88 #881A48 #7F881A #1A885A

split-complementary

#231A88 #885A1A #48881A

monochromatic

#090621 #161055 #231A88 #3024BB #4E42DB

Accessibility & contrast

On white

13.34

#231A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A88

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A88	#FFFFFF	#000000	##FFFFFF
##231A88	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231a88;
/* rgb */ color: rgb(35, 26, 136);
/* oklch */ color: oklch(32.4% 0.171 274.8);

Tailwind

colors: {
  custom: {
    50: '#7059ac',
    500: '#231a88',
    950: '#000000',
  },
}

SCSS

$custom: #231a88;
$custom-light: #7059ac;
$custom-dark: #000000;

JSON

{
  "hex": "#231a88",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 136
  },
  "hsl": {
    "h": 244.909,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32397,
    "c": 0.17065,
    "h": 274.8
  },
  "luminance": 0.02874
}

Semantic roles & 50–950 ramp

primary

#231A88

secondary

#B1BB43

accent

#EB3DDD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231A88

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

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