#2A1CB3#2A1CB3

#2A1CB3 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.1% C 0.218 H 273.0°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2A1CB3
RGB	rgb(42, 28, 179)
HSL	hsl(246, 73%, 41%)
HSV	hsv(246, 84%, 70%)
CMYK	cmyk(76.5%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(25.49, 53.23, -75.22)
CIE-LCH	lch(25.49, 92.15, 305.28°)
OKLab	oklab(38.14% 0.0114 -0.2175)
OKLCH	oklch(38.14% 0.218 273)
XYZ	xyz(9.5041, 4.5764, 43.0215)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1CB3 #A5B31C

analogous

#1C59B3 #2A1CB3 #751CB3

triadic

#2A1CB3 #B32A1C #1CB32A

tetradic

#2A1CB3 #B31C59 #A5B31C #1CB375

square

#2A1CB3 #B31C59 #A5B31C #1CB375

split-complementary

#2A1CB3 #B3751C #59B31C

monochromatic

#110B49 #1E147E #2A1CB3 #3E2EDE #6F63E7

Accessibility & contrast

On white

10.96

#2A1CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A1CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1CB3

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1CB3	#FFFFFF	#000000	##FFFFFF
##2A1CB3	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a1cb3;
/* rgb */ color: rgb(42, 28, 179);
/* oklch */ color: oklch(38.1% 0.218 273.0);

Tailwind

colors: {
  custom: {
    50: '#7c5ecb',
    500: '#2a1cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a1cb3;
$custom-light: #7c5ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1cb3",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 245.563,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38144,
    "c": 0.21784,
    "h": 273
  },
  "luminance": 0.04577
}

Semantic roles & 50–950 ramp

primary

#2A1CB3

secondary

#C1CB5F

accent

#F038DF

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2A1CB3

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

Preview Lab → · Contrast checker → · Palette generator →