#2A1C99#2A1C99

#2A1C99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.188 H 275.7°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C99
RGB	rgb(42, 28, 153)
HSL	hsl(247, 69%, 35%)
HSV	hsv(247, 82%, 60%)
CMYK	cmyk(72.5%, 81.7%, 0%, 40%)
CIE-LAB	lab(22.38, 45.32, -64.62)
CIE-LCH	lch(22.38, 78.93, 305.04°)
OKLab	oklab(35.1% 0.0186 -0.1868)
OKLCH	oklch(35.1% 0.188 275.7)
XYZ	xyz(7.1180, 3.6220, 30.4548)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C99 #8B991C

analogous

#1C4C99 #2A1C99 #681C99

triadic

#2A1C99 #992A1C #1C992A

tetradic

#2A1C99 #991C4C #8B991C #1C9968

square

#2A1C99 #991C4C #8B991C #1C9968

split-complementary

#2A1C99 #99681C #4C991C

monochromatic

#0E0932 #1C1365 #2A1C99 #3825CD #6050DF

Accessibility & contrast

On white

12.18

#2A1C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2A1C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C99

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C99	#FFFFFF	#000000	##FFFFFF
##2A1C99	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9C

Deuteranopia (green-blind)

#003097

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2a1c99;
/* rgb */ color: rgb(42, 28, 153);
/* oklch */ color: oklch(35.1% 0.188 275.7);

Tailwind

colors: {
  custom: {
    50: '#765cb8',
    500: '#2a1c99',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c99;
$custom-light: #765cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c99",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 153
  },
  "hsl": {
    "h": 246.72,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35097,
    "c": 0.18774,
    "h": 275.7
  },
  "luminance": 0.03623
}

Semantic roles & 50–950 ramp

primary

#2A1C99

secondary

#B5C24F

accent

#EC3CD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2A1C99

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

Preview Lab → · Contrast checker → · Palette generator →