#2C21B0#2C21B0

#2C21B0 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.4% C 0.210 H 273.6°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2C21B0
RGB	rgb(44, 33, 176)
HSL	hsl(245, 68%, 41%)
HSV	hsv(245, 81%, 69%)
CMYK	cmyk(75%, 81.3%, 0%, 31%)
CIE-LAB	lab(26.03, 50.19, -72.53)
CIE-LCH	lch(26.03, 88.20, 304.69°)
OKLab	oklab(38.45% 0.0133 -0.2098)
OKLCH	oklch(38.45% 0.21 273.6)
XYZ	xyz(9.4164, 4.7568, 41.4878)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C21B0 #A5B021

analogous

#215EB0 #2C21B0 #7321B0

triadic

#2C21B0 #B02C21 #21B02C

tetradic

#2C21B0 #B0215E #A5B021 #21B073

square

#2C21B0 #B0215E #A5B021 #21B073

split-complementary

#2C21B0 #B07321 #5EB021

monochromatic

#120E49 #1F177C #2C21B0 #4235D9 #7269E3

Accessibility & contrast

On white

10.76

#2C21B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2C21B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C21B0

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C21B0	#FFFFFF	#000000	##FFFFFF
##2C21B0	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B4

Deuteranopia (green-blind)

#0037AE

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2c21b0;
/* rgb */ color: rgb(44, 33, 176);
/* oklch */ color: oklch(38.4% 0.210 273.6);

Tailwind

colors: {
  custom: {
    50: '#7c61c9',
    500: '#2c21b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c21b0;
$custom-light: #7c61c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c21b0",
  "rgb": {
    "r": 44,
    "g": 33,
    "b": 176
  },
  "hsl": {
    "h": 244.615,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38447,
    "c": 0.21021,
    "h": 273.6
  },
  "luminance": 0.04758
}

Semantic roles & 50–950 ramp

primary

#2C21B0

secondary

#C1C864

accent

#EB3DDE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2C21B0

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

Preview Lab → · Contrast checker → · Palette generator →