#2A1B93#2A1B93

#2A1B93 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.181 H 276.5°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B93
RGB	rgb(42, 27, 147)
HSL	hsl(248, 69%, 34%)
HSV	hsv(248, 82%, 58%)
CMYK	cmyk(71.4%, 81.6%, 0%, 42.4%)
CIE-LAB	lab(21.51, 43.94, -62.36)
CIE-LCH	lch(21.51, 76.28, 305.17°)
OKLab	oklab(34.29% 0.0207 -0.1802)
OKLCH	oklch(34.29% 0.181 276.5)
XYZ	xyz(6.6115, 3.3821, 27.9025)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B93 #84931B

analogous

#1B4893 #2A1B93 #661B93

triadic

#2A1B93 #932A1B #1B932A

tetradic

#2A1B93 #931B48 #84931B #1B9366

square

#2A1B93 #931B48 #84931B #1B9366

split-complementary

#2A1B93 #93661B #48931B

monochromatic

#0C082C #1B125F #2A1B93 #3924C7 #5D4BDE

Accessibility & contrast

On white

12.53

#2A1B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2A1B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B93

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B93	#FFFFFF	#000000	##FFFFFF
##2A1B93	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003896

Deuteranopia (green-blind)

#002E91

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a1b93;
/* rgb */ color: rgb(42, 27, 147);
/* oklch */ color: oklch(34.3% 0.181 276.5);

Tailwind

colors: {
  custom: {
    50: '#755bb4',
    500: '#2a1b93',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b93;
$custom-light: #755bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b93",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 147
  },
  "hsl": {
    "h": 247.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34291,
    "c": 0.18141,
    "h": 276.5
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary

#2A1B93

secondary

#B1C04A

accent

#EC3CD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2A1B93

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

Preview Lab → · Contrast checker → · Palette generator →