#231E83#231E83

#231E83 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.161 H 274.8°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#231E83
RGB	rgb(35, 30, 131)
HSL	hsl(243, 63%, 32%)
HSV	hsv(243, 77%, 51%)
CMYK	cmyk(73.3%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(19.74, 36.41, -55.31)
CIE-LCH	lch(19.74, 66.22, 303.36°)
OKLab	oklab(32.38% 0.0135 -0.1599)
OKLCH	oklch(32.38% 0.161 274.8)
XYZ	xyz(5.2528, 2.9241, 21.7559)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E83 #7E831E

analogous

#1E4C83 #231E83 #561E83

triadic

#231E83 #83231E #1E8323

tetradic

#231E83 #831E4C #7E831E #1E8356

square

#231E83 #831E4C #7E831E #1E8356

split-complementary

#231E83 #83561E #4C831E

monochromatic

#08071F #161351 #231E83 #3029B5 #4E47D5

Accessibility & contrast

On white

13.25

#231E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#231E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E83

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E83	#FFFFFF	#000000	##FFFFFF
##231E83	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003486

Deuteranopia (green-blind)

#002B81

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231e83;
/* rgb */ color: rgb(35, 30, 131);
/* oklch */ color: oklch(32.4% 0.161 274.8);

Tailwind

colors: {
  custom: {
    50: '#6e5ba8',
    500: '#231e83',
    950: '#000000',
  },
}

SCSS

$custom: #231e83;
$custom-light: #6e5ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#231e83",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 242.97,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32376,
    "c": 0.16051,
    "h": 274.8
  },
  "luminance": 0.02925
}

Semantic roles & 50–950 ramp

primary

#231E83

secondary

#B0B647

accent

#E642DE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231E83

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

Preview Lab → · Contrast checker → · Palette generator →