#2B17A1#2B17A1

#2B17A1 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.6% C 0.201 H 275.5°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B17A1
RGB	rgb(43, 23, 161)
HSL	hsl(249, 75%, 36%)
HSV	hsv(249, 86%, 63%)
CMYK	cmyk(73.3%, 85.7%, 0%, 36.9%)
CIE-LAB	lab(22.65, 50.07, -69.07)
CIE-LCH	lch(22.65, 85.31, 305.94°)
OKLab	oklab(35.58% 0.0194 -0.1996)
OKLCH	oklch(35.58% 0.201 275.5)
XYZ	xyz(7.7336, 3.6988, 34.0177)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B17A1 #8DA117

analogous

#1748A1 #2B17A1 #7017A1

triadic

#2B17A1 #A12B17 #17A12B

tetradic

#2B17A1 #A11748 #8DA117 #17A170

square

#2B17A1 #A11748 #8DA117 #17A170

split-complementary

#2B17A1 #A17017 #48A117

monochromatic

#0E0836 #1D0F6B #2B17A1 #391FD7 #634DE6

Accessibility & contrast

On white

12.07

#2B17A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2B17A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B17A1

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B17A1	#FFFFFF	#000000	##FFFFFF
##2B17A1	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b17a1;
/* rgb */ color: rgb(43, 23, 161);
/* oklch */ color: oklch(35.6% 0.201 275.5);

Tailwind

colors: {
  custom: {
    50: '#795abe',
    500: '#2b17a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b17a1;
$custom-light: #795abe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b17a1",
  "rgb": {
    "r": 43,
    "g": 23,
    "b": 161
  },
  "hsl": {
    "h": 248.696,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35579,
    "c": 0.20056,
    "h": 275.5
  },
  "luminance": 0.037
}

Semantic roles & 50–950 ramp

primary

#2B17A1

secondary

#B6C74C

accent

#F236D6

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B17A1

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

Preview Lab → · Contrast checker → · Palette generator →