#2B1D73#2B1D73

#2B1D73 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.139 H 282.2°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D73
RGB	rgb(43, 29, 115)
HSL	hsl(250, 60%, 28%)
HSV	hsv(250, 75%, 45%)
CMYK	cmyk(62.6%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(18.50, 32.58, -47.12)
CIE-LCH	lch(18.50, 57.29, 304.66°)
OKLab	oklab(31.16% 0.0292 -0.1358)
OKLCH	oklch(31.16% 0.139 282.2)
XYZ	xyz(4.5292, 2.6298, 16.4853)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D73 #65731D

analogous

#1D3A73 #2B1D73 #561D73

triadic

#2B1D73 #732B1D #1D732B

tetradic

#2B1D73 #731D3A #65731D #1D7356

square

#2B1D73 #731D3A #65731D #1D7356

split-complementary

#2B1D73 #73561D #3A731D

monochromatic

#090618 #191142 #2B1D73 #3D29A4 #543CCE

Accessibility & contrast

On white

13.76

#2B1D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#2B1D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D73

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D73	#FFFFFF	#000000	##FFFFFF
##2B1D73	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002A71

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b1d73;
/* rgb */ color: rgb(43, 29, 115);
/* oklch */ color: oklch(31.2% 0.139 282.2);

Tailwind

colors: {
  custom: {
    50: '#6e5b9c',
    500: '#2b1d73',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d73;
$custom-light: #6e5b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d73",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 249.767,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31155,
    "c": 0.13891,
    "h": 282.2
  },
  "luminance": 0.0263
}

Semantic roles & 50–950 ramp

primary

#2B1D73

secondary

#97A745

accent

#E345C9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2B1D73

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

Preview Lab → · Contrast checker → · Palette generator →