#2B1B99#2B1B99

#2B1B99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.188 H 276.2°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B99
RGB	rgb(43, 27, 153)
HSL	hsl(248, 70%, 35%)
HSV	hsv(248, 82%, 60%)
CMYK	cmyk(71.9%, 82.4%, 0%, 40%)
CIE-LAB	lab(22.29, 45.89, -64.77)
CIE-LCH	lch(22.29, 79.38, 305.32°)
OKLab	oklab(35.05% 0.0204 -0.1872)
OKLCH	oklch(35.05% 0.188 276.2)
XYZ	xyz(7.1361, 3.5967, 30.4490)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B99 #89991B

analogous

#1B4A99 #2B1B99 #6A1B99

triadic

#2B1B99 #992B1B #1B992B

tetradic

#2B1B99 #991B4A #89991B #1B996A

square

#2B1B99 #991B4A #89991B #1B996A

split-complementary

#2B1B99 #996A1B #4A991B

monochromatic

#0E0931 #1C1265 #2B1B99 #3A24CD #614FE0

Accessibility & contrast

On white

12.21

#2B1B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2B1B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B99

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B99	#FFFFFF	#000000	##FFFFFF
##2B1B99	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9C

Deuteranopia (green-blind)

#003097

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1b99;
/* rgb */ color: rgb(43, 27, 153);
/* oklch */ color: oklch(35.1% 0.188 276.2);

Tailwind

colors: {
  custom: {
    50: '#775cb8',
    500: '#2b1b99',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b99;
$custom-light: #775cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b99",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 153
  },
  "hsl": {
    "h": 247.619,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35054,
    "c": 0.18832,
    "h": 276.2
  },
  "luminance": 0.03597
}

Semantic roles & 50–950 ramp

primary

#2B1B99

secondary

#B3C24E

accent

#ED3BD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1B99

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

Preview Lab → · Contrast checker → · Palette generator →