#231E80#231E80

#231E80 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.0% C 0.157 H 275.2°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#231E80
RGB	rgb(35, 30, 128)
HSL	hsl(243, 62%, 31%)
HSV	hsv(243, 77%, 50%)
CMYK	cmyk(72.7%, 76.6%, 0%, 49.8%)
CIE-LAB	lab(19.41, 35.38, -53.95)
CIE-LCH	lch(19.41, 64.52, 303.25°)
OKLab	oklab(32.04% 0.0142 -0.156)
OKLCH	oklch(32.04% 0.157 275.2)
XYZ	xyz(5.0524, 2.8439, 20.7006)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E80 #7B801E

analogous

#1E4A80 #231E80 #541E80

triadic

#231E80 #80231E #1E8023

tetradic

#231E80 #801E4A #7B801E #1E8054

square

#231E80 #801E4A #7B801E #1E8054

split-complementary

#231E80 #80541E #4A801E

monochromatic

#08071D #15124E #231E80 #312AB2 #4C45D3

Accessibility & contrast

On white

13.39

#231E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#231E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E80

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E80	#FFFFFF	#000000	##FFFFFF
##231E80	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#002B7E

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231e80;
/* rgb */ color: rgb(35, 30, 128);
/* oklch */ color: oklch(32.0% 0.157 275.2);

Tailwind

colors: {
  custom: {
    50: '#6d5ba6',
    500: '#231e80',
    950: '#000000',
  },
}

SCSS

$custom: #231e80;
$custom-light: #6d5ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#231e80",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 128
  },
  "hsl": {
    "h": 243.061,
    "s": 62.025,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32044,
    "c": 0.15664,
    "h": 275.2
  },
  "luminance": 0.02844
}

Semantic roles & 50–950 ramp

primary

#231E80

secondary

#AEB347

accent

#E543DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #231E80

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

Preview Lab → · Contrast checker → · Palette generator →