#2B1D88#2B1D88

#2B1D88 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.166 H 278.4°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D88
RGB	rgb(43, 29, 136)
HSL	hsl(248, 65%, 32%)
HSV	hsv(248, 79%, 53%)
CMYK	cmyk(68.4%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(20.71, 39.50, -56.83)
CIE-LCH	lch(20.71, 69.21, 304.80°)
OKLab	oklab(33.38% 0.0241 -0.1641)
OKLCH	oklch(33.38% 0.166 278.4)
XYZ	xyz(5.8781, 3.1694, 23.5898)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D88 #7A881D

analogous

#1D4588 #2B1D88 #601D88

triadic

#2B1D88 #882B1D #1D882B

tetradic

#2B1D88 #881D45 #7A881D #1D8860

square

#2B1D88 #881D45 #7A881D #1D8860

split-complementary

#2B1D88 #88601D #45881D

monochromatic

#0B0723 #1B1256 #2B1D88 #3B28BA #5A48D8

Accessibility & contrast

On white

12.85

#2B1D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2B1D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D88

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D88	#FFFFFF	#000000	##FFFFFF
##2B1D88	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b1d88;
/* rgb */ color: rgb(43, 29, 136);
/* oklch */ color: oklch(33.4% 0.166 278.4);

Tailwind

colors: {
  custom: {
    50: '#735cac',
    500: '#2b1d88',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d88;
$custom-light: #735cac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d88",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 247.85,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33384,
    "c": 0.1659,
    "h": 278.4
  },
  "luminance": 0.0317
}

Semantic roles & 50–950 ramp

primary

#2B1D88

secondary

#ABBA47

accent

#E840D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1D88

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

Preview Lab → · Contrast checker → · Palette generator →