#2B1781#2B1781

#2B1781 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.163 H 280.5°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B1781
RGB	rgb(43, 23, 129)
HSL	hsl(251, 70%, 30%)
HSV	hsv(251, 82%, 51%)
CMYK	cmyk(66.7%, 82.2%, 0%, 49.4%)
CIE-LAB	lab(18.85, 40.38, -55.49)
CIE-LCH	lch(18.85, 68.63, 306.05°)
OKLab	oklab(31.85% 0.0296 -0.1602)
OKLCH	oklch(31.85% 0.163 280.5)
XYZ	xyz(5.2638, 2.7109, 21.0105)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1781 #6D8117

analogous

#173881 #2B1781 #601781

triadic

#2B1781 #812B17 #17812B

tetradic

#2B1781 #811738 #6D8117 #178160

square

#2B1781 #811738 #6D8117 #178160

split-complementary

#2B1781 #816017 #388117

monochromatic

#09051A #1A0E4D #2B1781 #3C20B5 #5637DB

Accessibility & contrast

On white

13.62

#2B1781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2B1781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1781

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1781	#FFFFFF	#000000	##FFFFFF
##2B1781	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#002A7F

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1781;
/* rgb */ color: rgb(43, 23, 129);
/* oklch */ color: oklch(31.9% 0.163 280.5);

Tailwind

colors: {
  custom: {
    50: '#7258a7',
    500: '#2b1781',
    950: '#000000',
  },
}

SCSS

$custom: #2b1781;
$custom-light: #7258a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1781",
  "rgb": {
    "r": 43,
    "g": 23,
    "b": 129
  },
  "hsl": {
    "h": 251.321,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31852,
    "c": 0.16288,
    "h": 280.5
  },
  "luminance": 0.02711
}

Semantic roles & 50–950 ramp

primary

#2B1781

secondary

#9FB53E

accent

#ED3BCB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #2B1781

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

Preview Lab → · Contrast checker → · Palette generator →