#2B1D87#2B1D87

#2B1D87 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.165 H 278.5°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D87
RGB	rgb(43, 29, 135)
HSL	hsl(248, 65%, 32%)
HSV	hsv(248, 79%, 53%)
CMYK	cmyk(68.1%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(20.60, 39.17, -56.38)
CIE-LCH	lch(20.60, 68.65, 304.79°)
OKLab	oklab(33.28% 0.0244 -0.1628)
OKLCH	oklch(33.28% 0.165 278.5)
XYZ	xyz(5.8074, 3.1411, 23.2172)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D87 #79871D

analogous

#1D4487 #2B1D87 #601D87

triadic

#2B1D87 #872B1D #1D872B

tetradic

#2B1D87 #871D44 #79871D #1D8760

square

#2B1D87 #871D44 #79871D #1D8760

split-complementary

#2B1D87 #87601D #44871D

monochromatic

#0B0722 #1B1255 #2B1D87 #3B28B9 #5A47D7

Accessibility & contrast

On white

12.90

#2B1D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2B1D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D87

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D87	#FFFFFF	#000000	##FFFFFF
##2B1D87	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b1d87;
/* rgb */ color: rgb(43, 29, 135);
/* oklch */ color: oklch(33.3% 0.165 278.5);

Tailwind

colors: {
  custom: {
    50: '#725cab',
    500: '#2b1d87',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d87;
$custom-light: #725cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d87",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 247.925,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33275,
    "c": 0.16466,
    "h": 278.5
  },
  "luminance": 0.03142
}

Semantic roles & 50–950 ramp

primary

#2B1D87

secondary

#AAB946

accent

#E840D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1D87

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

Preview Lab → · Contrast checker → · Palette generator →