#2C31B9#2C31B9

#2C31B9 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.5% C 0.207 H 271.5°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2C31B9
RGB	rgb(44, 49, 185)
HSL	hsl(238, 62%, 45%)
HSV	hsv(238, 76%, 73%)
CMYK	cmyk(76.2%, 73.5%, 0%, 27.5%)
CIE-LAB	lab(29.99, 44.60, -71.33)
CIE-LCH	lch(29.99, 84.13, 302.02°)
OKLab	oklab(41.53% 0.0053 -0.2065)
OKLCH	oklch(41.53% 0.207 271.5)
XYZ	xyz(10.8910, 6.2337, 46.5188)
Luminance	0.0624 (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

#2C31B9 #B9B42C

analogous

#2C78B9 #2C31B9 #6D2CB9

triadic

#2C31B9 #B92C31 #31B92C

tetradic

#2C31B9 #B92C78 #B9B42C #2CB96D

square

#2C31B9 #B92C78 #B9B42C #2CB96D

split-complementary

#2C31B9 #B96D2C #78B92C

monochromatic

#141756 #202488 #2C31B9 #4D52D5 #7F82E1

Accessibility & contrast

On white

9.35

#2C31B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2C31B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31B9

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31B9	#FFFFFF	#000000	##FFFFFF
##2C31B9	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBD

Deuteranopia (green-blind)

#0040B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2c31b9;
/* rgb */ color: rgb(44, 49, 185);
/* oklch */ color: oklch(41.5% 0.207 271.5);

Tailwind

colors: {
  custom: {
    50: '#7d6acf',
    500: '#2c31b9',
    950: '#000000',
  },
}

SCSS

$custom: #2c31b9;
$custom-light: #7d6acf;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31b9",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 185
  },
  "hsl": {
    "h": 237.872,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41527,
    "c": 0.20657,
    "h": 271.5
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#2C31B9

secondary

#C9C678

accent

#DF43E5

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2C31B9

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

Preview Lab → · Contrast checker → · Palette generator →