#2B1C88#2B1C88

#2B1C88 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.167 H 278.5°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C88
RGB	rgb(43, 28, 136)
HSL	hsl(248, 66%, 32%)
HSV	hsv(248, 79%, 53%)
CMYK	cmyk(68.4%, 79.4%, 0%, 46.7%)
CIE-LAB	lab(20.52, 40.03, -57.14)
CIE-LCH	lch(20.52, 69.76, 305.02°)
OKLab	oklab(33.25% 0.0247 -0.165)
OKLCH	oklch(33.25% 0.167 278.5)
XYZ	xyz(5.8540, 3.1212, 23.5817)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C88 #79881C

analogous

#1C4388 #2B1C88 #611C88

triadic

#2B1C88 #882B1C #1C882B

tetradic

#2B1C88 #881C43 #79881C #1C8861

square

#2B1C88 #881C43 #79881C #1C8861

split-complementary

#2B1C88 #88611C #43881C

monochromatic

#0B0722 #1B1255 #2B1C88 #3B26BB #5A46D9

Accessibility & contrast

On white

12.93

#2B1C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B1C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C88

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C88	#FFFFFF	#000000	##FFFFFF
##2B1C88	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1c88;
/* rgb */ color: rgb(43, 28, 136);
/* oklch */ color: oklch(33.3% 0.167 278.5);

Tailwind

colors: {
  custom: {
    50: '#735bac',
    500: '#2b1c88',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c88;
$custom-light: #735bac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c88",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 136
  },
  "hsl": {
    "h": 248.333,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33253,
    "c": 0.16687,
    "h": 278.5
  },
  "luminance": 0.03122
}

Semantic roles & 50–950 ramp

primary

#2B1C88

secondary

#AABA45

accent

#E93FD1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1C88

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

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