#231C63#231C63

#231C63 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.7% C 0.120 H 280.1°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#231C63
RGB	rgb(35, 28, 99)
HSL	hsl(246, 56%, 25%)
HSV	hsv(246, 72%, 39%)
CMYK	cmyk(64.6%, 71.7%, 0%, 61.2%)
CIE-LAB	lab(15.94, 26.40, -40.89)
CIE-LCH	lch(15.94, 48.67, 302.85°)
OKLab	oklab(28.66% 0.0211 -0.1178)
OKLCH	oklch(28.66% 0.12 280.1)
XYZ	xyz(3.3598, 2.0884, 12.0280)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C63 #5C631C

analogous

#1C3963 #231C63 #461C63

triadic

#231C63 #63231C #1C6323

tetradic

#231C63 #631C39 #5C631C #1C6346

square

#231C63 #631C39 #5C631C #1C6346

split-complementary

#231C63 #63461C #39631C

monochromatic

#080718 #120F33 #231C63 #342993 #4537C2

Accessibility & contrast

On white

14.81

#231C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#231C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C63

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C63	#FFFFFF	#000000	##FFFFFF
##231C63	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002562

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #231c63;
/* rgb */ color: rgb(35, 28, 99);
/* oklch */ color: oklch(28.7% 0.120 280.1);

Tailwind

colors: {
  custom: {
    50: '#675990',
    500: '#231c63',
    950: '#000000',
  },
}

SCSS

$custom: #231c63;
$custom-light: #675990;
$custom-dark: #000000;

JSON

{
  "hex": "#231c63",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 99
  },
  "hsl": {
    "h": 245.915,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28658,
    "c": 0.11967,
    "h": 280.1
  },
  "luminance": 0.02089
}

Semantic roles & 50–950 ramp

primary

#231C63

secondary

#909843

accent

#DF49D0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #231C63

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

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