#2B1A91#2B1A91

#2B1A91 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.0% C 0.180 H 277.4°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A91
RGB	rgb(43, 26, 145)
HSL	hsl(249, 70%, 34%)
HSV	hsv(249, 82%, 57%)
CMYK	cmyk(70.3%, 82.1%, 0%, 43.1%)
CIE-LAB	lab(21.19, 43.89, -61.65)
CIE-LCH	lch(21.19, 75.67, 305.45°)
OKLab	oklab(34.02% 0.0232 -0.1781)
OKLCH	oklch(34.02% 0.18 277.4)
XYZ	xyz(6.4748, 3.2961, 27.0776)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A91 #80911A

analogous

#1A4491 #2B1A91 #661A91

triadic

#2B1A91 #912B1A #1A912B

tetradic

#2B1A91 #911A44 #80911A #1A9166

square

#2B1A91 #911A44 #80911A #1A9166

split-complementary

#2B1A91 #91661A #44911A

monochromatic

#0C0729 #1C115D #2B1A91 #3A23C5 #5D47DE

Accessibility & contrast

On white

12.66

#2B1A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2B1A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A91

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A91	#FFFFFF	#000000	##FFFFFF
##2B1A91	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003894

Deuteranopia (green-blind)

#002E8F

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b1a91;
/* rgb */ color: rgb(43, 26, 145);
/* oklch */ color: oklch(34.0% 0.180 277.4);

Tailwind

colors: {
  custom: {
    50: '#755bb3',
    500: '#2b1a91',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a91;
$custom-light: #755bb3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a91",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 145
  },
  "hsl": {
    "h": 248.571,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34021,
    "c": 0.17962,
    "h": 277.4
  },
  "luminance": 0.03297
}

Semantic roles & 50–950 ramp

primary

#2B1A91

secondary

#AEC047

accent

#EC3BD3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1A91

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

Preview Lab → · Contrast checker → · Palette generator →