#2D31AD#2D31AD

#2D31AD is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.191 H 272.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2D31AD
RGB	rgb(45, 49, 173)
HSL	hsl(238, 59%, 43%)
HSV	hsv(238, 74%, 68%)
CMYK	cmyk(74%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(28.83, 40.61, -66.11)
CIE-LCH	lch(28.83, 77.58, 301.56°)
OKLab	oklab(40.34% 0.0082 -0.1913)
OKLCH	oklch(40.34% 0.191 272.5)
XYZ	xyz(9.7208, 5.7706, 40.1286)
Luminance	0.0577 (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

#2D31AD #ADA92D

analogous

#2D71AD #2D31AD #692DAD

triadic

#2D31AD #AD2D31 #31AD2D

tetradic

#2D31AD #AD2D71 #ADA92D #2DAD69

square

#2D31AD #AD2D71 #ADA92D #2DAD69

split-complementary

#2D31AD #AD692D #71AD2D

monochromatic

#14154C #20237C #2D31AD #484CCF #787CDC

Accessibility & contrast

On white

9.75

#2D31AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2D31AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31AD

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31AD	#FFFFFF	#000000	##FFFFFF
##2D31AD	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB1

Deuteranopia (green-blind)

#003EAB

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d31ad;
/* rgb */ color: rgb(45, 49, 173);
/* oklch */ color: oklch(40.3% 0.191 272.5);

Tailwind

colors: {
  custom: {
    50: '#7a6ac7',
    500: '#2d31ad',
    950: '#000000',
  },
}

SCSS

$custom: #2d31ad;
$custom-light: #7a6ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31ad",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 238.125,
    "s": 58.716,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40341,
    "c": 0.19144,
    "h": 272.5
  },
  "luminance": 0.05772
}

Semantic roles & 50–950 ramp

primary

#2D31AD

secondary

#C4C172

accent

#DD46E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D31AD

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

Preview Lab → · Contrast checker → · Palette generator →