#2B1F83#2B1F83

#2B1F83 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.158 H 278.8°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F83
RGB	rgb(43, 31, 131)
HSL	hsl(247, 62%, 32%)
HSV	hsv(247, 76%, 51%)
CMYK	cmyk(67.2%, 76.3%, 0%, 48.6%)
CIE-LAB	lab(20.56, 36.74, -53.92)
CIE-LCH	lch(20.56, 65.25, 304.27°)
OKLab	oklab(33.12% 0.0241 -0.1557)
OKLCH	oklch(33.12% 0.158 278.8)
XYZ	xyz(5.5817, 3.1318, 21.7787)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F83 #77831F

analogous

#1F4583 #2B1F83 #5D1F83

triadic

#2B1F83 #832B1F #1F832B

tetradic

#2B1F83 #831F45 #77831F #1F835D

square

#2B1F83 #831F45 #77831F #1F835D

split-complementary

#2B1F83 #835D1F #45831F

monochromatic

#0B0820 #1B1352 #2B1F83 #3B2BB4 #5949D4

Accessibility & contrast

On white

12.91

#2B1F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2B1F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F83

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F83	#FFFFFF	#000000	##FFFFFF
##2B1F83	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002D81

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b1f83;
/* rgb */ color: rgb(43, 31, 131);
/* oklch */ color: oklch(33.1% 0.158 278.8);

Tailwind

colors: {
  custom: {
    50: '#715da8',
    500: '#2b1f83',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f83;
$custom-light: #715da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f83",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 131
  },
  "hsl": {
    "h": 247.2,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33121,
    "c": 0.15755,
    "h": 278.8
  },
  "luminance": 0.03132
}

Semantic roles & 50–950 ramp

primary

#2B1F83

secondary

#A9B648

accent

#E543D1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1F83

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

Preview Lab → · Contrast checker → · Palette generator →