#2B1D84#2B1D84

#2B1D84 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.9% C 0.161 H 279.0°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D84
RGB	rgb(43, 29, 132)
HSL	hsl(248, 64%, 32%)
HSV	hsv(248, 78%, 52%)
CMYK	cmyk(67.4%, 78%, 0%, 48.2%)
CIE-LAB	lab(20.27, 38.20, -55.03)
CIE-LCH	lch(20.27, 66.99, 304.76°)
OKLab	oklab(32.95% 0.0252 -0.1589)
OKLCH	oklch(32.95% 0.161 279)
XYZ	xyz(5.5991, 3.0578, 22.1205)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D84 #76841D

analogous

#1D4384 #2B1D84 #5F1D84

triadic

#2B1D84 #842B1D #1D842B

tetradic

#2B1D84 #841D43 #76841D #1D845F

square

#2B1D84 #841D43 #76841D #1D845F

split-complementary

#2B1D84 #845F1D #43841D

monochromatic

#0A0720 #1B1252 #2B1D84 #3B28B6 #5945D6

Accessibility & contrast

On white

13.03

#2B1D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B1D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D84

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D84	#FFFFFF	#000000	##FFFFFF
##2B1D84	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003587

Deuteranopia (green-blind)

#002D82

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1d84;
/* rgb */ color: rgb(43, 29, 132);
/* oklch */ color: oklch(32.9% 0.161 279.0);

Tailwind

colors: {
  custom: {
    50: '#725ba9',
    500: '#2b1d84',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d84;
$custom-light: #725ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d84",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 132
  },
  "hsl": {
    "h": 248.155,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32948,
    "c": 0.16089,
    "h": 279
  },
  "luminance": 0.03058
}

Semantic roles & 50–950 ramp

primary

#2B1D84

secondary

#A8B746

accent

#E741D0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1D84

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

Preview Lab → · Contrast checker → · Palette generator →