#2A1B73#2A1B73

#2A1B73 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.8% C 0.141 H 282.0°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B73
RGB	rgb(42, 27, 115)
HSL	hsl(250, 62%, 28%)
HSV	hsv(250, 77%, 45%)
CMYK	cmyk(63.5%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(17.98, 33.61, -47.97)
CIE-LCH	lch(17.98, 58.58, 305.02°)
OKLab	oklab(30.76% 0.0293 -0.1383)
OKLCH	oklch(30.76% 0.141 282)
XYZ	xyz(4.4403, 2.5136, 16.4675)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B73 #64731B

analogous

#1B3873 #2A1B73 #561B73

triadic

#2A1B73 #732A1B #1B732A

tetradic

#2A1B73 #731B38 #64731B #1B7356

square

#2A1B73 #731B38 #64731B #1B7356

split-complementary

#2A1B73 #73561B #38731B

monochromatic

#090619 #180F41 #2A1B73 #3C27A5 #5238D0

Accessibility & contrast

On white

13.97

#2A1B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#2A1B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B73

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B73	#FFFFFF	#000000	##FFFFFF
##2A1B73	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #2a1b73;
/* rgb */ color: rgb(42, 27, 115);
/* oklch */ color: oklch(30.8% 0.141 282.0);

Tailwind

colors: {
  custom: {
    50: '#6e599c',
    500: '#2a1b73',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b73;
$custom-light: #6e599c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b73",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 250.227,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30765,
    "c": 0.14138,
    "h": 282
  },
  "luminance": 0.02514
}

Semantic roles & 50–950 ramp

primary

#2A1B73

secondary

#96A842

accent

#E543C9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2A1B73

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

Preview Lab → · Contrast checker → · Palette generator →