#231D85#231D85

#231D85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.164 H 274.8°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#231D85
RGB	rgb(35, 29, 133)
HSL	hsl(243, 64%, 32%)
HSV	hsv(243, 78%, 52%)
CMYK	cmyk(73.7%, 78.2%, 0%, 47.8%)
CIE-LAB	lab(19.76, 37.67, -56.54)
CIE-LCH	lch(19.76, 67.94, 303.68°)
OKLab	oklab(32.46% 0.0136 -0.1635)
OKLCH	oklch(32.46% 0.164 274.8)
XYZ	xyz(5.3647, 2.9290, 22.4684)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D85 #7F851D

analogous

#1D4B85 #231D85 #571D85

triadic

#231D85 #85231D #1D8523

tetradic

#231D85 #851D4B #7F851D #1D8557

square

#231D85 #851D4B #7F851D #1D8557

split-complementary

#231D85 #85571D #4B851D

monochromatic

#090721 #161253 #231D85 #3028B7 #4E46D7

Accessibility & contrast

On white

13.24

#231D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#231D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D85

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D85	#FFFFFF	#000000	##FFFFFF
##231D85	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002B83

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231d85;
/* rgb */ color: rgb(35, 29, 133);
/* oklch */ color: oklch(32.5% 0.164 274.8);

Tailwind

colors: {
  custom: {
    50: '#6f5baa',
    500: '#231d85',
    950: '#000000',
  },
}

SCSS

$custom: #231d85;
$custom-light: #6f5baa;
$custom-dark: #000000;

JSON

{
  "hex": "#231d85",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 133
  },
  "hsl": {
    "h": 243.462,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32456,
    "c": 0.16406,
    "h": 274.8
  },
  "luminance": 0.0293
}

Semantic roles & 50–950 ramp

primary

#231D85

secondary

#B1B846

accent

#E741DE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231D85

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

Preview Lab → · Contrast checker → · Palette generator →