#2A1B74#2A1B74

#2A1B74 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.9% C 0.143 H 281.8°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B74
RGB	rgb(42, 27, 116)
HSL	hsl(250, 62%, 28%)
HSV	hsv(250, 77%, 45%)
CMYK	cmyk(63.8%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(18.08, 33.94, -48.45)
CIE-LCH	lch(18.08, 59.15, 305.02°)
OKLab	oklab(30.87% 0.0291 -0.1397)
OKLCH	oklch(30.87% 0.143 281.8)
XYZ	xyz(4.4982, 2.5367, 16.7722)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B74 #65741B

analogous

#1B3974 #2A1B74 #561B74

triadic

#2A1B74 #742A1B #1B742A

tetradic

#2A1B74 #741B39 #65741B #1B7456

square

#2A1B74 #741B39 #65741B #1B7456

split-complementary

#2A1B74 #74561B #39741B

monochromatic

#090619 #180F42 #2A1B74 #3C27A6 #5239D1

Accessibility & contrast

On white

13.93

#2A1B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#2A1B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B74

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B74	#FFFFFF	#000000	##FFFFFF
##2A1B74	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F77

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #2a1b74;
/* rgb */ color: rgb(42, 27, 116);
/* oklch */ color: oklch(30.9% 0.143 281.8);

Tailwind

colors: {
  custom: {
    50: '#6e599d',
    500: '#2a1b74',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b74;
$custom-light: #6e599d;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b74",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 250.112,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3087,
    "c": 0.14268,
    "h": 281.8
  },
  "luminance": 0.02537
}

Semantic roles & 50–950 ramp

primary

#2A1B74

secondary

#97A942

accent

#E542CA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2A1B74

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

Preview Lab → · Contrast checker → · Palette generator →