#231D7A#231D7A

#231D7A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.150 H 276.1°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#231D7A
RGB	rgb(35, 29, 122)
HSL	hsl(244, 62%, 30%)
HSV	hsv(244, 76%, 48%)
CMYK	cmyk(71.3%, 76.2%, 0%, 52.2%)
CIE-LAB	lab(18.54, 33.90, -51.56)
CIE-LCH	lch(18.54, 61.71, 303.32°)
OKLab	oklab(31.24% 0.016 -0.149)
OKLCH	oklch(31.24% 0.15 276.1)
XYZ	xyz(4.6442, 2.6408, 18.6736)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D7A #747A1D

analogous

#1D467A #231D7A #521D7A

triadic

#231D7A #7A231D #1D7A23

tetradic

#231D7A #7A1D46 #747A1D #1D7A52

square

#231D7A #7A1D46 #747A1D #1D7A52

split-complementary

#231D7A #7A521D #467A1D

monochromatic

#070619 #151149 #231D7A #3129AB #4940D2

Accessibility & contrast

On white

13.74

#231D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#231D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D7A

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D7A	#FFFFFF	#000000	##FFFFFF
##231D7A	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317D

Deuteranopia (green-blind)

#002978

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231d7a;
/* rgb */ color: rgb(35, 29, 122);
/* oklch */ color: oklch(31.2% 0.150 276.1);

Tailwind

colors: {
  custom: {
    50: '#6c5aa1',
    500: '#231d7a',
    950: '#000000',
  },
}

SCSS

$custom: #231d7a;
$custom-light: #6c5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#231d7a",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 122
  },
  "hsl": {
    "h": 243.871,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31237,
    "c": 0.14987,
    "h": 276.1
  },
  "luminance": 0.02641
}

Semantic roles & 50–950 ramp

primary

#231D7A

secondary

#A7AE45

accent

#E543DA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #231D7A

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

Preview Lab → · Contrast checker → · Palette generator →