#2C31A6#2C31A6

#2C31A6 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.183 H 272.5°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#2C31A6
RGB	rgb(44, 49, 166)
HSL	hsl(238, 58%, 41%)
HSV	hsv(238, 73%, 65%)
CMYK	cmyk(73.5%, 70.5%, 0%, 34.9%)
CIE-LAB	lab(28.07, 38.08, -63.14)
CIE-LCH	lch(28.07, 73.73, 301.09°)
OKLab	oklab(39.57% 0.0081 -0.1826)
OKLCH	oklch(39.57% 0.183 272.5)
XYZ	xyz(9.0176, 5.4844, 36.6523)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C31A6 #A6A12C

analogous

#2C6EA6 #2C31A6 #642CA6

triadic

#2C31A6 #A62C31 #31A62C

tetradic

#2C31A6 #A62C6E #A6A12C #2CA664

square

#2C31A6 #A62C6E #A6A12C #2CA664

split-complementary

#2C31A6 #A6642C #6EA62C

monochromatic

#121445 #1F2376 #2C31A6 #4248CD #7377DA

Accessibility & contrast

On white

10.01

#2C31A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2C31A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31A6

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31A6	#FFFFFF	#000000	##FFFFFF
##2C31A6	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AA

Deuteranopia (green-blind)

#003CA4

Tritanopia (blue-blind)

#005168

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2c31a6;
/* rgb */ color: rgb(44, 49, 166);
/* oklch */ color: oklch(39.6% 0.183 272.5);

Tailwind

colors: {
  custom: {
    50: '#786ac2',
    500: '#2c31a6',
    950: '#000000',
  },
}

SCSS

$custom: #2c31a6;
$custom-light: #786ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31a6",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 166
  },
  "hsl": {
    "h": 237.541,
    "s": 58.095,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39574,
    "c": 0.18281,
    "h": 272.5
  },
  "luminance": 0.05485
}

Semantic roles & 50–950 ramp

primary

#2C31A6

secondary

#C1BE6D

accent

#DB46E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2C31A6

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

Preview Lab → · Contrast checker → · Palette generator →