#2C1B8B#2C1B8B

#2C1B8B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.171 H 278.7°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#2C1B8B
RGB	rgb(44, 27, 139)
HSL	hsl(249, 67%, 33%)
HSV	hsv(249, 81%, 55%)
CMYK	cmyk(68.3%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(20.76, 41.61, -58.62)
CIE-LCH	lch(20.76, 71.89, 305.37°)
OKLab	oklab(33.54% 0.0259 -0.1693)
OKLCH	oklch(33.54% 0.171 278.7)
XYZ	xyz(6.0893, 3.1829, 24.7146)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C1B8B #7A8B1B

analogous

#1B428B #2C1B8B #641B8B

triadic

#2C1B8B #8B2C1B #1B8B2C

tetradic

#2C1B8B #8B1B42 #7A8B1B #1B8B64

square

#2C1B8B #8B1B42 #7A8B1B #1B8B64

split-complementary

#2C1B8B #8B641B #428B1B

monochromatic

#0C0725 #1C1158 #2C1B8B #3C25BE #5C45DB

Accessibility & contrast

On white

12.83

#2C1B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2C1B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C1B8B

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C1B8B	#FFFFFF	#000000	##FFFFFF
##2C1B8B	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2c1b8b;
/* rgb */ color: rgb(44, 27, 139);
/* oklch */ color: oklch(33.5% 0.171 278.7);

Tailwind

colors: {
  custom: {
    50: '#745bae',
    500: '#2c1b8b',
    950: '#000000',
  },
}

SCSS

$custom: #2c1b8b;
$custom-light: #745bae;
$custom-dark: #000000;

JSON

{
  "hex": "#2c1b8b",
  "rgb": {
    "r": 44,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 249.107,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33541,
    "c": 0.17127,
    "h": 278.7
  },
  "luminance": 0.03183
}

Semantic roles & 50–950 ramp

primary

#2C1B8B

secondary

#AABC45

accent

#EA3DD0

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #2C1B8B

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

Preview Lab → · Contrast checker → · Palette generator →