#2C1B8A#2C1B8A

#2C1B8A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.170 H 278.9°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#2C1B8A
RGB	rgb(44, 27, 138)
HSL	hsl(249, 67%, 32%)
HSV	hsv(249, 80%, 54%)
CMYK	cmyk(68.1%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(20.65, 41.30, -58.18)
CIE-LCH	lch(20.65, 71.34, 305.37°)
OKLab	oklab(33.43% 0.0262 -0.168)
OKLCH	oklch(33.43% 0.17 278.9)
XYZ	xyz(6.0166, 3.1538, 24.3315)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C1B8A #798A1B

analogous

#1B428A #2C1B8A #631B8A

triadic

#2C1B8A #8A2C1B #1B8A2C

tetradic

#2C1B8A #8A1B42 #798A1B #1B8A63

square

#2C1B8A #8A1B42 #798A1B #1B8A63

split-complementary

#2C1B8A #8A631B #428A1B

monochromatic

#0B0724 #1C1157 #2C1B8A #3C25BD #5C45DB

Accessibility & contrast

On white

12.88

#2C1B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2C1B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C1B8A

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C1B8A	#FFFFFF	#000000	##FFFFFF
##2C1B8A	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002D88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2c1b8a;
/* rgb */ color: rgb(44, 27, 138);
/* oklch */ color: oklch(33.4% 0.170 278.9);

Tailwind

colors: {
  custom: {
    50: '#745bad',
    500: '#2c1b8a',
    950: '#000000',
  },
}

SCSS

$custom: #2c1b8a;
$custom-light: #745bad;
$custom-dark: #000000;

JSON

{
  "hex": "#2c1b8a",
  "rgb": {
    "r": 44,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 249.189,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33429,
    "c": 0.17005,
    "h": 278.9
  },
  "luminance": 0.03154
}

Semantic roles & 50–950 ramp

primary

#2C1B8A

secondary

#AABC45

accent

#EA3ED0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2C1B8A

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

Preview Lab → · Contrast checker → · Palette generator →