#231C85#231C85

#231C85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.165 H 274.9°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#231C85
RGB	rgb(35, 28, 133)
HSL	hsl(244, 65%, 32%)
HSV	hsv(244, 79%, 52%)
CMYK	cmyk(73.7%, 78.9%, 0%, 47.8%)
CIE-LAB	lab(19.56, 38.23, -56.86)
CIE-LCH	lch(19.56, 68.52, 303.92°)
OKLab	oklab(32.32% 0.0141 -0.1644)
OKLCH	oklch(32.32% 0.165 274.9)
XYZ	xyz(5.3406, 2.8808, 22.4603)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C85 #7E851C

analogous

#1C4A85 #231C85 #581C85

triadic

#231C85 #85231C #1C8523

tetradic

#231C85 #851C4A #7E851C #1C8558

square

#231C85 #851C4A #7E851C #1C8558

split-complementary

#231C85 #85581C #4A851C

monochromatic

#080720 #161152 #231C85 #3027B8 #4E44D8

Accessibility & contrast

On white

13.32

#231C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#231C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C85

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C85	#FFFFFF	#000000	##FFFFFF
##231C85	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002A83

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #231c85;
/* rgb */ color: rgb(35, 28, 133);
/* oklch */ color: oklch(32.3% 0.165 274.9);

Tailwind

colors: {
  custom: {
    50: '#6f5aaa',
    500: '#231c85',
    950: '#000000',
  },
}

SCSS

$custom: #231c85;
$custom-light: #6f5aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#231c85",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 133
  },
  "hsl": {
    "h": 244,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32317,
    "c": 0.16504,
    "h": 274.9
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#231C85

secondary

#B0B845

accent

#E840DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231C85

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

Preview Lab → · Contrast checker → · Palette generator →