#2C1F9A#2C1F9A

#2C1F9A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.186 H 276.1°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#2C1F9A
RGB	rgb(44, 31, 154)
HSL	hsl(246, 66%, 36%)
HSV	hsv(246, 80%, 60%)
CMYK	cmyk(71.4%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(23.16, 44.31, -63.94)
CIE-LCH	lch(23.16, 77.79, 304.72°)
OKLab	oklab(35.71% 0.0198 -0.1848)
OKLCH	oklch(35.71% 0.186 276.1)
XYZ	xyz(7.3595, 3.8478, 30.9204)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C1F9A #8D9A1F

analogous

#1F509A #2C1F9A #6A1F9A

triadic

#2C1F9A #9A2C1F #1F9A2C

tetradic

#2C1F9A #9A1F50 #8D9A1F #1F9A6A

square

#2C1F9A #9A1F50 #8D9A1F #1F9A6A

split-complementary

#2C1F9A #9A6A1F #509A1F

monochromatic

#0F0A34 #1D1567 #2C1F9A #3B29CD #6556DD

Accessibility & contrast

On white

11.87

#2C1F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2C1F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C1F9A

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C1F9A	#FFFFFF	#000000	##FFFFFF
##2C1F9A	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003298

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2c1f9a;
/* rgb */ color: rgb(44, 31, 154);
/* oklch */ color: oklch(35.7% 0.186 276.1);

Tailwind

colors: {
  custom: {
    50: '#775eb9',
    500: '#2c1f9a',
    950: '#000000',
  },
}

SCSS

$custom: #2c1f9a;
$custom-light: #775eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c1f9a",
  "rgb": {
    "r": 44,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 246.341,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35713,
    "c": 0.18589,
    "h": 276.1
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#2C1F9A

secondary

#B5C154

accent

#E93ED7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2C1F9A

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

Preview Lab → · Contrast checker → · Palette generator →