#2B1B73#2B1B73

#2B1B73 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.9% C 0.141 H 282.6°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B73
RGB	rgb(43, 27, 115)
HSL	hsl(251, 62%, 28%)
HSV	hsv(251, 77%, 45%)
CMYK	cmyk(62.6%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(18.08, 33.76, -47.81)
CIE-LCH	lch(18.08, 58.53, 305.22°)
OKLab	oklab(30.86% 0.0309 -0.1378)
OKLCH	oklch(30.86% 0.141 282.6)
XYZ	xyz(4.4817, 2.5350, 16.4695)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B73 #63731B

analogous

#1B3773 #2B1B73 #571B73

triadic

#2B1B73 #732B1B #1B732B

tetradic

#2B1B73 #731B37 #63731B #1B7357

square

#2B1B73 #731B37 #63731B #1B7357

split-complementary

#2B1B73 #73571B #37731B

monochromatic

#090619 #180F41 #2B1B73 #3E27A5 #5438D0

Accessibility & contrast

On white

13.93

#2B1B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#2B1B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B73

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B73	#FFFFFF	#000000	##FFFFFF
##2B1B73	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #2b1b73;
/* rgb */ color: rgb(43, 27, 115);
/* oklch */ color: oklch(30.9% 0.141 282.6);

Tailwind

colors: {
  custom: {
    50: '#6e599c',
    500: '#2b1b73',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b73;
$custom-light: #6e599c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b73",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 250.909,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30857,
    "c": 0.14121,
    "h": 282.6
  },
  "luminance": 0.02535
}

Semantic roles & 50–950 ramp

primary

#2B1B73

secondary

#95A842

accent

#E543C8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2B1B73

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

Preview Lab → · Contrast checker → · Palette generator →