#2B1D90#2B1D90

#2B1D90 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.176 H 277.2°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D90
RGB	rgb(43, 29, 144)
HSL	hsl(247, 66%, 34%)
HSV	hsv(247, 80%, 56%)
CMYK	cmyk(70.1%, 79.9%, 0%, 43.5%)
CIE-LAB	lab(21.60, 42.07, -60.35)
CIE-LCH	lch(21.60, 73.57, 304.88°)
OKLab	oklab(34.27% 0.022 -0.1744)
OKLCH	oklch(34.27% 0.176 277.2)
XYZ	xyz(6.4680, 3.4054, 26.6966)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D90 #82901D

analogous

#1D4990 #2B1D90 #651D90

triadic

#2B1D90 #902B1D #1D902B

tetradic

#2B1D90 #901D49 #82901D #1D9065

square

#2B1D90 #901D49 #82901D #1D9065

split-complementary

#2B1D90 #90651D #49901D

monochromatic

#0D082A #1C135D #2B1D90 #3A27C3 #5E4CDB

Accessibility & contrast

On white

12.49

#2B1D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2B1D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D90

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D90	#FFFFFF	#000000	##FFFFFF
##2B1D90	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003893

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1d90;
/* rgb */ color: rgb(43, 29, 144);
/* oklch */ color: oklch(34.3% 0.176 277.2);

Tailwind

colors: {
  custom: {
    50: '#745cb2',
    500: '#2b1d90',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d90;
$custom-light: #745cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d90",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 247.304,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3427,
    "c": 0.17578,
    "h": 277.2
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#2B1D90

secondary

#B0BD4B

accent

#E93ED5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1D90

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

Preview Lab → · Contrast checker → · Palette generator →