#2A1B82#2A1B82

#2A1B82 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.161 H 279.1°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B82
RGB	rgb(42, 27, 130)
HSL	hsl(249, 66%, 31%)
HSV	hsv(249, 79%, 51%)
CMYK	cmyk(67.7%, 79.2%, 0%, 49%)
CIE-LAB	lab(19.59, 38.52, -54.91)
CIE-LCH	lch(19.59, 67.07, 305.05°)
OKLab	oklab(32.38% 0.0254 -0.1585)
OKLCH	oklch(32.38% 0.161 279.1)
XYZ	xyz(5.3748, 2.8874, 21.3888)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B82 #73821B

analogous

#1B3F82 #2A1B82 #5D1B82

triadic

#2A1B82 #822A1B #1B822A

tetradic

#2A1B82 #821B3F #73821B #1B825D

square

#2A1B82 #821B3F #73821B #1B825D

split-complementary

#2A1B82 #825D1B #3F821B

monochromatic

#09061D #1A104F #2A1B82 #3A26B5 #5640D7

Accessibility & contrast

On white

13.31

#2A1B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#2A1B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B82

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B82	#FFFFFF	#000000	##FFFFFF
##2A1B82	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002B80

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2a1b82;
/* rgb */ color: rgb(42, 27, 130);
/* oklch */ color: oklch(32.4% 0.161 279.1);

Tailwind

colors: {
  custom: {
    50: '#715aa7',
    500: '#2a1b82',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b82;
$custom-light: #715aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b82",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 248.738,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32379,
    "c": 0.16058,
    "h": 279.1
  },
  "luminance": 0.02888
}

Semantic roles & 50–950 ramp

primary

#2A1B82

secondary

#A5B643

accent

#E93FD0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1B82

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

Preview Lab → · Contrast checker → · Palette generator →