#2B1C9D#2B1C9D

#2B1C9D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.192 H 275.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C9D
RGB	rgb(43, 28, 157)
HSL	hsl(247, 70%, 36%)
HSV	hsv(247, 82%, 62%)
CMYK	cmyk(72.6%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(22.92, 46.64, -66.18)
CIE-LCH	lch(22.92, 80.96, 305.18°)
OKLab	oklab(35.63% 0.0188 -0.1913)
OKLCH	oklch(35.63% 0.192 275.6)
XYZ	xyz(7.4953, 3.7777, 32.2259)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C9D #8E9D1C

analogous

#1C4E9D #2B1C9D #6C1C9D

triadic

#2B1C9D #9D2B1C #1C9D2B

tetradic

#2B1C9D #9D1C4E #8E9D1C #1C9D6C

square

#2B1C9D #9D1C4E #8E9D1C #1C9D6C

split-complementary

#2B1C9D #9D6C1C #4E9D1C

monochromatic

#0F0935 #1D1369 #2B1C9D #3925D1 #6353E0

Accessibility & contrast

On white

11.96

#2B1C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B1C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C9D

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C9D	#FFFFFF	#000000	##FFFFFF
##2B1C9D	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA1

Deuteranopia (green-blind)

#00319B

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1c9d;
/* rgb */ color: rgb(43, 28, 157);
/* oklch */ color: oklch(35.6% 0.192 275.6);

Tailwind

colors: {
  custom: {
    50: '#785dbb',
    500: '#2b1c9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c9d;
$custom-light: #785dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c9d",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 246.977,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35629,
    "c": 0.19224,
    "h": 275.6
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary

#2B1C9D

secondary

#B6C351

accent

#ED3BD8

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1C9D

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

Preview Lab → · Contrast checker → · Palette generator →