#2B1C87#2B1C87

#2B1C87 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.166 H 278.7°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C87
RGB	rgb(43, 28, 135)
HSL	hsl(248, 66%, 32%)
HSV	hsv(248, 79%, 53%)
CMYK	cmyk(68.1%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(20.41, 39.71, -56.69)
CIE-LCH	lch(20.41, 69.22, 305.01°)
OKLab	oklab(33.14% 0.025 -0.1637)
OKLCH	oklch(33.14% 0.166 278.7)
XYZ	xyz(5.7833, 3.0929, 23.2092)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C87 #78871C

analogous

#1C4387 #2B1C87 #611C87

triadic

#2B1C87 #872B1C #1C872B

tetradic

#2B1C87 #871C43 #78871C #1C8761

square

#2B1C87 #871C43 #78871C #1C8761

split-complementary

#2B1C87 #87611C #43871C

monochromatic

#0B0722 #1B1154 #2B1C87 #3B27BA #5A45D8

Accessibility & contrast

On white

12.97

#2B1C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B1C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C87

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C87	#FFFFFF	#000000	##FFFFFF
##2B1C87	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1c87;
/* rgb */ color: rgb(43, 28, 135);
/* oklch */ color: oklch(33.1% 0.166 278.7);

Tailwind

colors: {
  custom: {
    50: '#725bab',
    500: '#2b1c87',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c87;
$custom-light: #725bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c87",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 248.411,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33143,
    "c": 0.16562,
    "h": 278.7
  },
  "luminance": 0.03093
}

Semantic roles & 50–950 ramp

primary

#2B1C87

secondary

#AABA45

accent

#E93FD1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1C87

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

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