#2D31B6#2D31B6

#2D31B6 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.3% C 0.203 H 271.9°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2D31B6
RGB	rgb(45, 49, 182)
HSL	hsl(238, 60%, 45%)
HSV	hsv(238, 75%, 71%)
CMYK	cmyk(75.3%, 73.1%, 0%, 28.6%)
CIE-LAB	lab(29.74, 43.68, -69.97)
CIE-LCH	lch(29.74, 82.48, 301.97°)
OKLab	oklab(41.27% 0.0069 -0.2025)
OKLCH	oklch(41.27% 0.203 271.9)
XYZ	xyz(10.6211, 6.1308, 44.8705)
Luminance	0.0613 (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

#2D31B6 #B6B22D

analogous

#2D76B6 #2D31B6 #6E2DB6

triadic

#2D31B6 #B62D31 #31B62D

tetradic

#2D31B6 #B62D76 #B6B22D #2DB66E

square

#2D31B6 #B62D76 #B6B22D #2DB66E

split-complementary

#2D31B6 #B66E2D #76B62D

monochromatic

#151754 #212485 #2D31B6 #4D51D3 #7E81DF

Accessibility & contrast

On white

9.43

#2D31B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2D31B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31B6

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31B6	#FFFFFF	#000000	##FFFFFF
##2D31B6	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBA

Deuteranopia (green-blind)

#003FB4

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d31b6;
/* rgb */ color: rgb(45, 49, 182);
/* oklch */ color: oklch(41.3% 0.203 271.9);

Tailwind

colors: {
  custom: {
    50: '#7c6acd',
    500: '#2d31b6',
    950: '#000000',
  },
}

SCSS

$custom: #2d31b6;
$custom-light: #7c6acd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31b6",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 182
  },
  "hsl": {
    "h": 238.248,
    "s": 60.352,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41268,
    "c": 0.20264,
    "h": 271.9
  },
  "luminance": 0.06132
}

Semantic roles & 50–950 ramp

primary

#2D31B6

secondary

#C8C577

accent

#DF44E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2D31B6

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

Preview Lab → · Contrast checker → · Palette generator →