#2D31B3#2D31B3

#2D31B3 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.0% C 0.199 H 272.1°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#2D31B3
RGB	rgb(45, 49, 179)
HSL	hsl(238, 60%, 44%)
HSV	hsv(238, 75%, 70%)
CMYK	cmyk(74.9%, 72.6%, 0%, 29.8%)
CIE-LAB	lab(29.43, 42.66, -68.69)
CIE-LCH	lch(29.43, 80.86, 301.84°)
OKLab	oklab(40.96% 0.0073 -0.1988)
OKLCH	oklch(40.96% 0.199 272.1)
XYZ	xyz(10.3144, 6.0081, 43.2552)
Luminance	0.0601 (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

#2D31B3 #B3AF2D

analogous

#2D74B3 #2D31B3 #6C2DB3

triadic

#2D31B3 #B32D31 #31B32D

tetradic

#2D31B3 #B32D74 #B3AF2D #2DB36C

square

#2D31B3 #B32D74 #B3AF2D #2DB36C

split-complementary

#2D31B3 #B36C2D #74B32D

monochromatic

#141651 #212482 #2D31B3 #4B4FD2 #7C7FDE

Accessibility & contrast

On white

9.54

#2D31B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2D31B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31B3

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31B3	#FFFFFF	#000000	##FFFFFF
##2D31B3	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d31b3;
/* rgb */ color: rgb(45, 49, 179);
/* oklch */ color: oklch(41.0% 0.199 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c6acb',
    500: '#2d31b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d31b3;
$custom-light: #7c6acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31b3",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 179
  },
  "hsl": {
    "h": 238.209,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40957,
    "c": 0.19894,
    "h": 272.1
  },
  "luminance": 0.06009
}

Semantic roles & 50–950 ramp

primary

#2D31B3

secondary

#C7C475

accent

#DE45E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D31B3

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

Preview Lab → · Contrast checker → · Palette generator →