#2C31AF#2C31AF

#2C31AF is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.5% C 0.194 H 272.0°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#2C31AF
RGB	rgb(44, 49, 175)
HSL	hsl(238, 60%, 43%)
HSV	hsv(238, 75%, 69%)
CMYK	cmyk(74.9%, 72%, 0%, 31.4%)
CIE-LAB	lab(28.97, 41.20, -67.07)
CIE-LCH	lch(28.97, 78.71, 301.56°)
OKLab	oklab(40.49% 0.0068 -0.1941)
OKLCH	oklch(40.49% 0.194 272)
XYZ	xyz(9.8723, 5.8262, 41.1534)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C31AF #AFAA2C

analogous

#2C72AF #2C31AF #682CAF

triadic

#2C31AF #AF2C31 #31AF2C

tetradic

#2C31AF #AF2C72 #AFAA2C #2CAF68

square

#2C31AF #AF2C72 #AFAA2C #2CAF68

split-complementary

#2C31AF #AF682C #72AF2C

monochromatic

#13164D #20237E #2C31AF #474DD1 #787CDD

Accessibility & contrast

On white

9.70

#2C31AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2C31AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31AF

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31AF	#FFFFFF	#000000	##FFFFFF
##2C31AF	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB3

Deuteranopia (green-blind)

#003EAD

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2c31af;
/* rgb */ color: rgb(44, 49, 175);
/* oklch */ color: oklch(40.5% 0.194 272.0);

Tailwind

colors: {
  custom: {
    50: '#7a6ac8',
    500: '#2c31af',
    950: '#000000',
  },
}

SCSS

$custom: #2c31af;
$custom-light: #7a6ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31af",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 237.71,
    "s": 59.817,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40489,
    "c": 0.19421,
    "h": 272
  },
  "luminance": 0.05827
}

Semantic roles & 50–950 ramp

primary

#2C31AF

secondary

#C5C272

accent

#DD45E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C31AF

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

Preview Lab → · Contrast checker → · Palette generator →