#231A89#231A89

#231A89 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.172 H 274.7°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#231A89
RGB	rgb(35, 26, 137)
HSL	hsl(245, 68%, 32%)
HSV	hsv(245, 81%, 54%)
CMYK	cmyk(74.5%, 81%, 0%, 46.3%)
CIE-LAB	lab(19.65, 40.64, -59.23)
CIE-LCH	lch(19.65, 71.84, 304.45°)
OKLab	oklab(32.51% 0.014 -0.1713)
OKLCH	oklch(32.51% 0.172 274.7)
XYZ	xyz(5.5764, 2.9017, 23.9283)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A89 #80891A

analogous

#1A4989 #231A89 #5B1A89

triadic

#231A89 #89231A #1A8923

tetradic

#231A89 #891A49 #80891A #1A895B

square

#231A89 #891A49 #80891A #1A895B

split-complementary

#231A89 #895B1A #49891A

monochromatic

#090622 #161056 #231A89 #3024BC #4F42DB

Accessibility & contrast

On white

13.29

#231A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#231A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A89

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A89	#FFFFFF	#000000	##FFFFFF
##231A89	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002A87

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231a89;
/* rgb */ color: rgb(35, 26, 137);
/* oklch */ color: oklch(32.5% 0.172 274.7);

Tailwind

colors: {
  custom: {
    50: '#7059ad',
    500: '#231a89',
    950: '#000000',
  },
}

SCSS

$custom: #231a89;
$custom-light: #7059ad;
$custom-dark: #000000;

JSON

{
  "hex": "#231a89",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 137
  },
  "hsl": {
    "h": 244.865,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32513,
    "c": 0.17188,
    "h": 274.7
  },
  "luminance": 0.02902
}

Semantic roles & 50–950 ramp

primary

#231A89

secondary

#B2BC43

accent

#EB3DDD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231A89

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

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