#2B1790#2B1790

#2B1790 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.6% C 0.181 H 277.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B1790
RGB	rgb(43, 23, 144)
HSL	hsl(250, 72%, 33%)
HSV	hsv(250, 84%, 56%)
CMYK	cmyk(70.1%, 84%, 0%, 43.5%)
CIE-LAB	lab(20.59, 44.99, -62.02)
CIE-LCH	lch(20.59, 76.62, 305.96°)
OKLab	oklab(33.57% 0.0248 -0.1791)
OKLCH	oklch(33.57% 0.181 277.9)
XYZ	xyz(6.3351, 3.1394, 26.6523)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1790 #7C9017

analogous

#174090 #2B1790 #671790

triadic

#2B1790 #902B17 #17902B

tetradic

#2B1790 #901740 #7C9017 #179067

square

#2B1790 #901740 #7C9017 #179067

split-complementary

#2B1790 #906717 #409017

monochromatic

#0B0626 #1B0F5B #2B1790 #3B1FC5 #5B41E1

Accessibility & contrast

On white

12.90

#2B1790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2B1790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1790

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1790	#FFFFFF	#000000	##FFFFFF
##2B1790	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#002D8E

Tritanopia (blue-blind)

#003D55

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b1790;
/* rgb */ color: rgb(43, 23, 144);
/* oklch */ color: oklch(33.6% 0.181 277.9);

Tailwind

colors: {
  custom: {
    50: '#7559b2',
    500: '#2b1790',
    950: '#000000',
  },
}

SCSS

$custom: #2b1790;
$custom-light: #7559b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1790",
  "rgb": {
    "r": 43,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 249.917,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33573,
    "c": 0.18085,
    "h": 277.9
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#2B1790

secondary

#ACC142

accent

#EF39D1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1790

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

Preview Lab → · Contrast checker → · Palette generator →