#2B1B84#2B1B84

#2B1B84 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.163 H 279.3°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B84
RGB	rgb(43, 27, 132)
HSL	hsl(249, 66%, 31%)
HSV	hsv(249, 80%, 52%)
CMYK	cmyk(67.4%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(19.89, 39.28, -55.66)
CIE-LCH	lch(19.89, 68.12, 305.21°)
OKLab	oklab(32.68% 0.0264 -0.1607)
OKLCH	oklch(32.68% 0.163 279.3)
XYZ	xyz(5.5517, 2.9629, 22.1047)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B84 #74841B

analogous

#1B3F84 #2B1B84 #5F1B84

triadic

#2B1B84 #842B1B #1B842B

tetradic

#2B1B84 #841B3F #74841B #1B845F

square

#2B1B84 #841B3F #74841B #1B845F

split-complementary

#2B1B84 #845F1B #3F841B

monochromatic

#0A061E #1A1151 #2B1B84 #3C25B7 #5841D8

Accessibility & contrast

On white

13.19

#2B1B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#2B1B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B84

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B84	#FFFFFF	#000000	##FFFFFF
##2B1B84	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003487

Deuteranopia (green-blind)

#002C82

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2b1b84;
/* rgb */ color: rgb(43, 27, 132);
/* oklch */ color: oklch(32.7% 0.163 279.3);

Tailwind

colors: {
  custom: {
    50: '#725aa9',
    500: '#2b1b84',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b84;
$custom-light: #725aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b84",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 249.143,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32682,
    "c": 0.16286,
    "h": 279.3
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#2B1B84

secondary

#A6B743

accent

#E93FCF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1B84

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

Preview Lab → · Contrast checker → · Palette generator →