#2B1C9E#2B1C9E

#2B1C9E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.193 H 275.5°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C9E
RGB	rgb(43, 28, 158)
HSL	hsl(247, 70%, 36%)
HSV	hsv(247, 82%, 62%)
CMYK	cmyk(72.8%, 82.3%, 0%, 38%)
CIE-LAB	lab(23.04, 46.95, -66.59)
CIE-LCH	lch(23.04, 81.48, 305.19°)
OKLab	oklab(35.74% 0.0186 -0.1925)
OKLCH	oklch(35.74% 0.193 275.5)
XYZ	xyz(7.5810, 3.8120, 32.6774)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C9E #8F9E1C

analogous

#1C4E9E #2B1C9E #6C1C9E

triadic

#2B1C9E #9E2B1C #1C9E2B

tetradic

#2B1C9E #9E1C4E #8F9E1C #1C9E6C

square

#2B1C9E #9E1C4E #8F9E1C #1C9E6C

split-complementary

#2B1C9E #9E6C1C #4E9E1C

monochromatic

#0F0A36 #1D136A #2B1C9E #3925D2 #6454E1

Accessibility & contrast

On white

11.91

#2B1C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B1C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C9E

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C9E	#FFFFFF	#000000	##FFFFFF
##2B1C9E	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1c9e;
/* rgb */ color: rgb(43, 28, 158);
/* oklch */ color: oklch(35.7% 0.193 275.5);

Tailwind

colors: {
  custom: {
    50: '#785dbc',
    500: '#2b1c9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c9e;
$custom-light: #785dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c9e",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 158
  },
  "hsl": {
    "h": 246.923,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35744,
    "c": 0.19341,
    "h": 275.5
  },
  "luminance": 0.03813
}

Semantic roles & 50–950 ramp

primary

#2B1C9E

secondary

#B7C452

accent

#ED3BD8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1C9E

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

Preview Lab → · Contrast checker → · Palette generator →