#2B1B74#2B1B74

#2B1B74 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.143 H 282.4°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B74
RGB	rgb(43, 27, 116)
HSL	hsl(251, 62%, 28%)
HSV	hsv(251, 77%, 45%)
CMYK	cmyk(62.9%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(18.18, 34.09, -48.29)
CIE-LCH	lch(18.18, 59.10, 305.22°)
OKLab	oklab(30.96% 0.0306 -0.1392)
OKLCH	oklch(30.96% 0.143 282.4)
XYZ	xyz(4.5396, 2.5581, 16.7742)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B74 #64741B

analogous

#1B3774 #2B1B74 #581B74

triadic

#2B1B74 #742B1B #1B742B

tetradic

#2B1B74 #741B37 #64741B #1B7458

square

#2B1B74 #741B37 #64741B #1B7458

split-complementary

#2B1B74 #74581B #37741B

monochromatic

#090619 #190F42 #2B1B74 #3D27A6 #5439D1

Accessibility & contrast

On white

13.89

#2B1B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#2B1B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B74

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B74	#FFFFFF	#000000	##FFFFFF
##2B1B74	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F77

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #2b1b74;
/* rgb */ color: rgb(43, 27, 116);
/* oklch */ color: oklch(31.0% 0.143 282.4);

Tailwind

colors: {
  custom: {
    50: '#6e599d',
    500: '#2b1b74',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b74;
$custom-light: #6e599d;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b74",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 250.787,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30961,
    "c": 0.14252,
    "h": 282.4
  },
  "luminance": 0.02558
}

Semantic roles & 50–950 ramp

primary

#2B1B74

secondary

#96A942

accent

#E542C8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2B1B74

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

Preview Lab → · Contrast checker → · Palette generator →