#2B1D99#2B1D99

#2B1D99 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.187 H 276.0°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D99
RGB	rgb(43, 29, 153)
HSL	hsl(247, 68%, 36%)
HSV	hsv(247, 81%, 60%)
CMYK	cmyk(71.9%, 81%, 0%, 40%)
CIE-LAB	lab(22.62, 44.92, -64.22)
CIE-LCH	lch(22.62, 78.37, 304.97°)
OKLab	oklab(35.29% 0.0196 -0.1856)
OKLCH	oklch(35.29% 0.187 276)
XYZ	xyz(7.1835, 3.6915, 30.4648)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D99 #8B991D

analogous

#1D4D99 #2B1D99 #691D99

triadic

#2B1D99 #992B1D #1D992B

tetradic

#2B1D99 #991D4D #8B991D #1D9969

square

#2B1D99 #991D4D #8B991D #1D9969

split-complementary

#2B1D99 #99691D #4D991D

monochromatic

#0E0932 #1D1366 #2B1D99 #3927CC #6252DE

Accessibility & contrast

On white

12.08

#2B1D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2B1D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D99

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D99	#FFFFFF	#000000	##FFFFFF
##2B1D99	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9C

Deuteranopia (green-blind)

#003197

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b1d99;
/* rgb */ color: rgb(43, 29, 153);
/* oklch */ color: oklch(35.3% 0.187 276.0);

Tailwind

colors: {
  custom: {
    50: '#765db8',
    500: '#2b1d99',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d99;
$custom-light: #765db8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d99",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 246.774,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35286,
    "c": 0.18666,
    "h": 276
  },
  "luminance": 0.03692
}

Semantic roles & 50–950 ramp

primary

#2B1D99

secondary

#B5C151

accent

#EB3DD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1D99

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

Preview Lab → · Contrast checker → · Palette generator →