#2A1D8A#2A1D8A

#2A1D8A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.169 H 277.5°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D8A
RGB	rgb(42, 29, 138)
HSL	hsl(247, 65%, 33%)
HSV	hsv(247, 79%, 54%)
CMYK	cmyk(69.6%, 79%, 0%, 45.9%)
CIE-LAB	lab(20.85, 40.04, -57.85)
CIE-LCH	lch(20.85, 70.36, 304.68°)
OKLab	oklab(33.53% 0.0222 -0.1672)
OKLCH	oklch(33.53% 0.169 277.5)
XYZ	xyz(5.9802, 3.2054, 24.3434)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D8A #7D8A1D

analogous

#1D468A #2A1D8A #601D8A

triadic

#2A1D8A #8A2A1D #1D8A2A

tetradic

#2A1D8A #8A1D46 #7D8A1D #1D8A60

square

#2A1D8A #8A1D46 #7D8A1D #1D8A60

split-complementary

#2A1D8A #8A601D #468A1D

monochromatic

#0B0825 #1B1257 #2A1D8A #3928BD #5A49D9

Accessibility & contrast

On white

12.80

#2A1D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2A1D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D8A

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D8A	#FFFFFF	#000000	##FFFFFF
##2A1D8A	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002E88

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a1d8a;
/* rgb */ color: rgb(42, 29, 138);
/* oklch */ color: oklch(33.5% 0.169 277.5);

Tailwind

colors: {
  custom: {
    50: '#735cad',
    500: '#2a1d8a',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d8a;
$custom-light: #735cad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d8a",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 138
  },
  "hsl": {
    "h": 247.156,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33526,
    "c": 0.16862,
    "h": 277.5
  },
  "luminance": 0.03206
}

Semantic roles & 50–950 ramp

primary

#2A1D8A

secondary

#ADBB48

accent

#E840D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1D8A

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

Preview Lab → · Contrast checker → · Palette generator →