#2B1C99#2B1C99

#2B1C99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.2% C 0.188 H 276.1°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C99
RGB	rgb(43, 28, 153)
HSL	hsl(247, 69%, 35%)
HSV	hsv(247, 82%, 60%)
CMYK	cmyk(71.9%, 81.7%, 0%, 40%)
CIE-LAB	lab(22.46, 45.41, -64.50)
CIE-LCH	lch(22.46, 78.88, 305.15°)
OKLab	oklab(35.17% 0.02 -0.1864)
OKLCH	oklch(35.17% 0.188 276.1)
XYZ	xyz(7.1594, 3.6433, 30.4567)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C99 #8A991C

analogous

#1C4B99 #2B1C99 #691C99

triadic

#2B1C99 #992B1C #1C992B

tetradic

#2B1C99 #991C4B #8A991C #1C9969

square

#2B1C99 #991C4B #8A991C #1C9969

split-complementary

#2B1C99 #99691C #4B991C

monochromatic

#0E0932 #1C1365 #2B1C99 #3A25CD #6150DF

Accessibility & contrast

On white

12.15

#2B1C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2B1C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C99

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C99	#FFFFFF	#000000	##FFFFFF
##2B1C99	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9C

Deuteranopia (green-blind)

#003097

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b1c99;
/* rgb */ color: rgb(43, 28, 153);
/* oklch */ color: oklch(35.2% 0.188 276.1);

Tailwind

colors: {
  custom: {
    50: '#775cb8',
    500: '#2b1c99',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c99;
$custom-light: #775cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c99",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 153
  },
  "hsl": {
    "h": 247.2,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35169,
    "c": 0.1875,
    "h": 276.1
  },
  "luminance": 0.03644
}

Semantic roles & 50–950 ramp

primary

#2B1C99

secondary

#B4C24F

accent

#EC3CD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1C99

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

Preview Lab → · Contrast checker → · Palette generator →