#231E9D#231E9D

#231E9D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.193 H 272.3°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#231E9D
RGB	rgb(35, 30, 157)
HSL	hsl(242, 68%, 37%)
HSV	hsv(242, 81%, 62%)
CMYK	cmyk(77.7%, 80.9%, 0%, 38.4%)
CIE-LAB	lab(22.72, 45.06, -66.53)
CIE-LCH	lch(22.72, 80.35, 304.11°)
OKLab	oklab(35.35% 0.0076 -0.1925)
OKLCH	oklch(35.35% 0.193 272.3)
XYZ	xyz(7.2412, 3.7194, 32.2280)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E9D #989D1E

analogous

#1E599D #231E9D #631E9D

triadic

#231E9D #9D231E #1E9D23

tetradic

#231E9D #9D1E59 #989D1E #1E9D63

square

#231E9D #9D1E59 #989D1E #1E9D63

split-complementary

#231E9D #9D631E #599D1E

monochromatic

#0C0A36 #18146A #231E9D #2E28D0 #5C57DF

Accessibility & contrast

On white

12.04

#231E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#231E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E9D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E9D	#FFFFFF	#000000	##FFFFFF
##231E9D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA1

Deuteranopia (green-blind)

#00309B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #231e9d;
/* rgb */ color: rgb(35, 30, 157);
/* oklch */ color: oklch(35.3% 0.193 272.3);

Tailwind

colors: {
  custom: {
    50: '#755dbb',
    500: '#231e9d',
    950: '#000000',
  },
}

SCSS

$custom: #231e9d;
$custom-light: #755dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#231e9d",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 157
  },
  "hsl": {
    "h": 242.362,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35347,
    "c": 0.19268,
    "h": 272.3
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#231E9D

secondary

#BEC254

accent

#EB3DE4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231E9D

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

Preview Lab → · Contrast checker → · Palette generator →