#2D31B9#2D31B9

#2D31B9 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.6% C 0.206 H 271.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#2D31B9
RGB	rgb(45, 49, 185)
HSL	hsl(238, 61%, 45%)
HSV	hsv(238, 76%, 73%)
CMYK	cmyk(75.7%, 73.5%, 0%, 27.5%)
CIE-LAB	lab(30.05, 44.69, -71.24)
CIE-LCH	lch(30.05, 84.10, 302.10°)
OKLab	oklab(41.58% 0.0064 -0.2062)
OKLCH	oklch(41.58% 0.206 271.8)
XYZ	xyz(10.9345, 6.2561, 46.5208)
Luminance	0.0626 (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

#2D31B9 #B9B52D

analogous

#2D77B9 #2D31B9 #6F2DB9

triadic

#2D31B9 #B92D31 #31B92D

tetradic

#2D31B9 #B92D77 #B9B52D #2DB96F

square

#2D31B9 #B92D77 #B9B52D #2DB96F

split-complementary

#2D31B9 #B96F2D #77B92D

monochromatic

#151757 #212488 #2D31B9 #4F53D4 #8083E0

Accessibility & contrast

On white

9.33

#2D31B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2D31B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31B9

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31B9	#FFFFFF	#000000	##FFFFFF
##2D31B9	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0040B7

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d31b9;
/* rgb */ color: rgb(45, 49, 185);
/* oklch */ color: oklch(41.6% 0.206 271.8);

Tailwind

colors: {
  custom: {
    50: '#7d6bcf',
    500: '#2d31b9',
    950: '#000000',
  },
}

SCSS

$custom: #2d31b9;
$custom-light: #7d6bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31b9",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 185
  },
  "hsl": {
    "h": 238.286,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41581,
    "c": 0.20631,
    "h": 271.8
  },
  "luminance": 0.06257
}

Semantic roles & 50–950 ramp

primary

#2D31B9

secondary

#C9C779

accent

#DF44E4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2D31B9

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

Preview Lab → · Contrast checker → · Palette generator →