#2A1F83#2A1F83

#2A1F83 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.158 H 278.3°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F83
RGB	rgb(42, 31, 131)
HSL	hsl(247, 62%, 32%)
HSV	hsv(247, 76%, 51%)
CMYK	cmyk(67.9%, 76.3%, 0%, 48.6%)
CIE-LAB	lab(20.48, 36.62, -54.06)
CIE-LCH	lch(20.48, 65.30, 304.11°)
OKLab	oklab(33.04% 0.0227 -0.1561)
OKLCH	oklch(33.04% 0.158 278.3)
XYZ	xyz(5.5402, 3.1104, 21.7767)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F83 #78831F

analogous

#1F4683 #2A1F83 #5C1F83

triadic

#2A1F83 #832A1F #1F832A

tetradic

#2A1F83 #831F46 #78831F #1F835C

square

#2A1F83 #831F46 #78831F #1F835C

split-complementary

#2A1F83 #835C1F #46831F

monochromatic

#0A0820 #1A1352 #2A1F83 #3A2BB4 #5849D4

Accessibility & contrast

On white

12.95

#2A1F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2A1F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F83

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F83	#FFFFFF	#000000	##FFFFFF
##2A1F83	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002D81

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2a1f83;
/* rgb */ color: rgb(42, 31, 131);
/* oklch */ color: oklch(33.0% 0.158 278.3);

Tailwind

colors: {
  custom: {
    50: '#715da8',
    500: '#2a1f83',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f83;
$custom-light: #715da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f83",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 131
  },
  "hsl": {
    "h": 246.6,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33041,
    "c": 0.15777,
    "h": 278.3
  },
  "luminance": 0.03111
}

Semantic roles & 50–950 ramp

primary

#2A1F83

secondary

#AAB648

accent

#E543D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1F83

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

Preview Lab → · Contrast checker → · Palette generator →