#231E8E#231E8E

#231E8E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.174 H 273.6°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#231E8E
RGB	rgb(35, 30, 142)
HSL	hsl(243, 65%, 34%)
HSV	hsv(243, 79%, 56%)
CMYK	cmyk(75.4%, 78.9%, 0%, 44.3%)
CIE-LAB	lab(20.97, 40.14, -60.16)
CIE-LCH	lch(20.97, 72.32, 303.71°)
OKLab	oklab(33.61% 0.0111 -0.174)
OKLCH	oklch(33.61% 0.174 273.6)
XYZ	xyz(6.0383, 3.2382, 25.8928)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E8E #898E1E

analogous

#1E518E #231E8E #5B1E8E

triadic

#231E8E #8E231E #1E8E23

tetradic

#231E8E #8E1E51 #898E1E #1E8E5B

square

#231E8E #8E1E51 #898E1E #1E8E5B

split-complementary

#231E8E #8E5B1E #518E1E

monochromatic

#0A0929 #17135B #231E8E #2F29C1 #534DD9

Accessibility & contrast

On white

12.74

#231E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#231E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E8E

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E8E	#FFFFFF	#000000	##FFFFFF
##231E8E	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #231e8e;
/* rgb */ color: rgb(35, 30, 142);
/* oklch */ color: oklch(33.6% 0.174 273.6);

Tailwind

colors: {
  custom: {
    50: '#715cb0',
    500: '#231e8e',
    950: '#000000',
  },
}

SCSS

$custom: #231e8e;
$custom-light: #715cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#231e8e",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 142
  },
  "hsl": {
    "h": 242.679,
    "s": 65.116,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33613,
    "c": 0.1744,
    "h": 273.6
  },
  "luminance": 0.03239
}

Semantic roles & 50–950 ramp

primary

#231E8E

secondary

#B7BC4C

accent

#E840E1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231E8E

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

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