#231D82#231D82

#231D82 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.160 H 275.1°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#231D82
RGB	rgb(35, 29, 130)
HSL	hsl(244, 64%, 31%)
HSV	hsv(244, 78%, 51%)
CMYK	cmyk(73.1%, 77.7%, 0%, 49%)
CIE-LAB	lab(19.42, 36.65, -55.20)
CIE-LCH	lch(19.42, 66.26, 303.58°)
OKLab	oklab(32.12% 0.0143 -0.1596)
OKLCH	oklch(32.12% 0.16 275.1)
XYZ	xyz(5.1604, 2.8473, 21.3924)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D82 #7C821D

analogous

#1D4982 #231D82 #551D82

triadic

#231D82 #82231D #1D8223

tetradic

#231D82 #821D49 #7C821D #1D8255

square

#231D82 #821D49 #7C821D #1D8255

split-complementary

#231D82 #82551D #49821D

monochromatic

#08071E #161250 #231D82 #3028B4 #4D44D5

Accessibility & contrast

On white

13.38

#231D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D82

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D82	#FFFFFF	#000000	##FFFFFF
##231D82	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003485

Deuteranopia (green-blind)

#002A80

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231d82;
/* rgb */ color: rgb(35, 29, 130);
/* oklch */ color: oklch(32.1% 0.160 275.1);

Tailwind

colors: {
  custom: {
    50: '#6e5ba7',
    500: '#231d82',
    950: '#000000',
  },
}

SCSS

$custom: #231d82;
$custom-light: #6e5ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#231d82",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 130
  },
  "hsl": {
    "h": 243.564,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3212,
    "c": 0.16025,
    "h": 275.1
  },
  "luminance": 0.02848
}

Semantic roles & 50–950 ramp

primary

#231D82

secondary

#AFB546

accent

#E741DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231D82

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

Preview Lab → · Contrast checker → · Palette generator →