#2B1CB3#2B1CB3

#2B1CB3 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.2% C 0.218 H 273.3°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B1CB3
RGB	rgb(43, 28, 179)
HSL	hsl(246, 73%, 41%)
HSV	hsv(246, 84%, 70%)
CMYK	cmyk(76%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(25.56, 53.29, -75.11)
CIE-LCH	lch(25.56, 92.09, 305.35°)
OKLab	oklab(38.21% 0.0127 -0.2172)
OKLCH	oklch(38.21% 0.218 273.3)
XYZ	xyz(9.5455, 4.5978, 43.0235)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1CB3 #A4B31C

analogous

#1C59B3 #2B1CB3 #761CB3

triadic

#2B1CB3 #B32B1C #1CB32B

tetradic

#2B1CB3 #B31C59 #A4B31C #1CB376

square

#2B1CB3 #B31C59 #A4B31C #1CB376

split-complementary

#2B1CB3 #B3761C #59B31C

monochromatic

#120B49 #1E147E #2B1CB3 #3F2EDE #7063E7

Accessibility & contrast

On white

10.94

#2B1CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B1CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1CB3

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1CB3	#FFFFFF	#000000	##FFFFFF
##2B1CB3	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b1cb3;
/* rgb */ color: rgb(43, 28, 179);
/* oklch */ color: oklch(38.2% 0.218 273.3);

Tailwind

colors: {
  custom: {
    50: '#7d5ecb',
    500: '#2b1cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b1cb3;
$custom-light: #7d5ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1cb3",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 245.96,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38206,
    "c": 0.21758,
    "h": 273.3
  },
  "luminance": 0.04599
}

Semantic roles & 50–950 ramp

primary

#2B1CB3

secondary

#C1CB5F

accent

#F038DD

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2B1CB3

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

Preview Lab → · Contrast checker → · Palette generator →