#2B1E91#2B1E91

#2B1E91 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.176 H 276.9°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B1E91
RGB	rgb(43, 30, 145)
HSL	hsl(247, 66%, 34%)
HSV	hsv(247, 79%, 57%)
CMYK	cmyk(70.3%, 79.3%, 0%, 43.1%)
CIE-LAB	lab(21.89, 41.86, -60.49)
CIE-LCH	lch(21.89, 73.56, 304.69°)
OKLab	oklab(34.51% 0.0212 -0.1748)
OKLCH	oklch(34.51% 0.176 276.9)
XYZ	xyz(6.5697, 3.4859, 27.1092)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1E91 #84911E

analogous

#1E4A91 #2B1E91 #651E91

triadic

#2B1E91 #912B1E #1E912B

tetradic

#2B1E91 #911E4A #84911E #1E9165

square

#2B1E91 #911E4A #84911E #1E9165

split-complementary

#2B1E91 #91651E #4A911E

monochromatic

#0D092C #1C145E #2B1E91 #3A28C4 #5F4FDB

Accessibility & contrast

On white

12.37

#2B1E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2B1E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1E91

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1E91	#FFFFFF	#000000	##FFFFFF
##2B1E91	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003994

Deuteranopia (green-blind)

#002F8F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1e91;
/* rgb */ color: rgb(43, 30, 145);
/* oklch */ color: oklch(34.5% 0.176 276.9);

Tailwind

colors: {
  custom: {
    50: '#755db2',
    500: '#2b1e91',
    950: '#000000',
  },
}

SCSS

$custom: #2b1e91;
$custom-light: #755db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1e91",
  "rgb": {
    "r": 43,
    "g": 30,
    "b": 145
  },
  "hsl": {
    "h": 246.783,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34509,
    "c": 0.17608,
    "h": 276.9
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#2B1E91

secondary

#B1BD4D

accent

#E93FD5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1E91

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

Preview Lab → · Contrast checker → · Palette generator →