#231E75#231E75

#231E75 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.142 H 276.6°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#231E75
RGB	rgb(35, 30, 117)
HSL	hsl(243, 59%, 29%)
HSV	hsv(243, 74%, 46%)
CMYK	cmyk(70.1%, 74.4%, 0%, 54.1%)
CIE-LAB	lab(18.23, 31.54, -48.87)
CIE-LCH	lch(18.23, 58.16, 302.83°)
OKLab	oklab(30.85% 0.0164 -0.1412)
OKLCH	oklch(30.85% 0.142 276.6)
XYZ	xyz(4.3672, 2.5698, 17.0921)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E75 #70751E

analogous

#1E4575 #231E75 #4F1E75

triadic

#231E75 #75231E #1E7523

tetradic

#231E75 #751E45 #70751E #1E754F

square

#231E75 #751E45 #70751E #1E754F

split-complementary

#231E75 #754F1E #45751E

monochromatic

#070618 #141244 #231E75 #322AA6 #4840CE

Accessibility & contrast

On white

13.87

#231E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#231E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E75

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E75	#FFFFFF	#000000	##FFFFFF
##231E75	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003078

Deuteranopia (green-blind)

#002973

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231e75;
/* rgb */ color: rgb(35, 30, 117);
/* oklch */ color: oklch(30.9% 0.142 276.6);

Tailwind

colors: {
  custom: {
    50: '#6b5b9e',
    500: '#231e75',
    950: '#000000',
  },
}

SCSS

$custom: #231e75;
$custom-light: #6b5b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#231e75",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 117
  },
  "hsl": {
    "h": 243.448,
    "s": 59.184,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30854,
    "c": 0.1421,
    "h": 276.6
  },
  "luminance": 0.0257
}

Semantic roles & 50–950 ramp

primary

#231E75

secondary

#A3A946

accent

#E245D9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #231E75

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

Preview Lab → · Contrast checker → · Palette generator →