#231E71#231E71

#231E71 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.137 H 277.2°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#231E71
RGB	rgb(35, 30, 113)
HSL	hsl(244, 58%, 28%)
HSV	hsv(244, 73%, 44%)
CMYK	cmyk(69%, 73.5%, 0%, 55.7%)
CIE-LAB	lab(17.82, 30.12, -46.97)
CIE-LCH	lch(17.82, 55.79, 302.67°)
OKLab	oklab(30.43% 0.0171 -0.1356)
OKLCH	oklch(30.43% 0.137 277.2)
XYZ	xyz(4.1371, 2.4778, 15.8798)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E71 #6C711E

analogous

#1E4371 #231E71 #4C1E71

triadic

#231E71 #71231E #1E7123

tetradic

#231E71 #711E43 #6C711E #1E714C

square

#231E71 #711E43 #6C711E #1E714C

split-complementary

#231E71 #714C1E #43711E

monochromatic

#070618 #141141 #231E71 #322BA1 #463ECC

Accessibility & contrast

On white

14.04

#231E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#231E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E71

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E71	#FFFFFF	#000000	##FFFFFF
##231E71	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F73

Deuteranopia (green-blind)

#00286F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231e71;
/* rgb */ color: rgb(35, 30, 113);
/* oklch */ color: oklch(30.4% 0.137 277.2);

Tailwind

colors: {
  custom: {
    50: '#6a5b9b',
    500: '#231e71',
    950: '#000000',
  },
}

SCSS

$custom: #231e71;
$custom-light: #6a5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#231e71",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 113
  },
  "hsl": {
    "h": 243.614,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30433,
    "c": 0.13668,
    "h": 277.2
  },
  "luminance": 0.02478
}

Semantic roles & 50–950 ramp

primary

#231E71

secondary

#9FA546

accent

#E147D8

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #231E71

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

Preview Lab → · Contrast checker → · Palette generator →