#2B1D91#2B1D91

#2B1D91 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.177 H 277.1°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D91
RGB	rgb(43, 29, 145)
HSL	hsl(247, 67%, 34%)
HSV	hsv(247, 80%, 57%)
CMYK	cmyk(70.3%, 80%, 0%, 43.1%)
CIE-LAB	lab(21.71, 42.39, -60.79)
CIE-LCH	lch(21.71, 74.11, 304.89°)
OKLab	oklab(34.38% 0.0217 -0.1757)
OKLCH	oklch(34.38% 0.177 277.1)
XYZ	xyz(6.5448, 3.4361, 27.1009)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D91 #83911D

analogous

#1D4991 #2B1D91 #651D91

triadic

#2B1D91 #912B1D #1D912B

tetradic

#2B1D91 #911D49 #83911D #1D9165

square

#2B1D91 #911D49 #83911D #1D9165

split-complementary

#2B1D91 #91651D #49911D

monochromatic

#0D092B #1C135E #2B1D91 #3A27C4 #5E4DDB

Accessibility & contrast

On white

12.45

#2B1D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#2B1D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D91

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D91	#FFFFFF	#000000	##FFFFFF
##2B1D91	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	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: #2b1d91;
/* rgb */ color: rgb(43, 29, 145);
/* oklch */ color: oklch(34.4% 0.177 277.1);

Tailwind

colors: {
  custom: {
    50: '#755cb2',
    500: '#2b1d91',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d91;
$custom-light: #755cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d91",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 145
  },
  "hsl": {
    "h": 247.241,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34382,
    "c": 0.177,
    "h": 277.1
  },
  "luminance": 0.03437
}

Semantic roles & 50–950 ramp

primary

#2B1D91

secondary

#B0BE4C

accent

#EA3ED5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1D91

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

Preview Lab → · Contrast checker → · Palette generator →