#231D86#231D86

#231D86 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.165 H 274.6°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#231D86
RGB	rgb(35, 29, 134)
HSL	hsl(243, 64%, 32%)
HSV	hsv(243, 78%, 53%)
CMYK	cmyk(73.9%, 78.4%, 0%, 47.5%)
CIE-LAB	lab(19.87, 38.01, -56.98)
CIE-LCH	lch(19.87, 68.49, 303.71°)
OKLab	oklab(32.57% 0.0134 -0.1648)
OKLCH	oklch(32.57% 0.165 274.6)
XYZ	xyz(5.4342, 2.9568, 22.8340)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D86 #80861D

analogous

#1D4B86 #231D86 #581D86

triadic

#231D86 #86231D #1D8623

tetradic

#231D86 #861D4B #80861D #1D8658

square

#231D86 #861D4B #80861D #1D8658

split-complementary

#231D86 #86581D #4B861D

monochromatic

#090721 #161254 #231D86 #3028B8 #4F46D7

Accessibility & contrast

On white

13.20

#231D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#231D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D86

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D86	#FFFFFF	#000000	##FFFFFF
##231D86	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002B84

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231d86;
/* rgb */ color: rgb(35, 29, 134);
/* oklch */ color: oklch(32.6% 0.165 274.6);

Tailwind

colors: {
  custom: {
    50: '#6f5baa',
    500: '#231d86',
    950: '#000000',
  },
}

SCSS

$custom: #231d86;
$custom-light: #6f5baa;
$custom-dark: #000000;

JSON

{
  "hex": "#231d86",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 134
  },
  "hsl": {
    "h": 243.429,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32569,
    "c": 0.16533,
    "h": 274.6
  },
  "luminance": 0.02957
}

Semantic roles & 50–950 ramp

primary

#231D86

secondary

#B2B946

accent

#E740DE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231D86

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

Preview Lab → · Contrast checker → · Palette generator →