#2C23C1#2C23C1

#2C23C1 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.6% C 0.228 H 272.1°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#2C23C1
RGB	rgb(44, 35, 193)
HSL	hsl(243, 69%, 45%)
HSV	hsv(243, 82%, 76%)
CMYK	cmyk(77.2%, 81.9%, 0%, 24.3%)
CIE-LAB	lab(28.34, 54.44, -78.79)
CIE-LCH	lch(28.34, 95.77, 304.64°)
OKLab	oklab(40.63% 0.0085 -0.228)
OKLCH	oklch(40.63% 0.228 272.1)
XYZ	xyz(11.2621, 5.5866, 50.9265)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23C1 #B8C123

analogous

#2369C1 #2C23C1 #7B23C1

triadic

#2C23C1 #C12C23 #23C12C

tetradic

#2C23C1 #C12369 #B8C123 #23C17B

square

#2C23C1 #C12369 #B8C123 #23C17B

split-complementary

#2C23C1 #C17B23 #69C123

monochromatic

#141059 #201A8D #2C23C1 #4D44DD #7E78E6

Accessibility & contrast

On white

9.92

#2C23C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2C23C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23C1

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23C1	#FFFFFF	#000000	##FFFFFF
##2C23C1	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC5

Deuteranopia (green-blind)

#003BBE

Tritanopia (blue-blind)

#005674

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2c23c1;
/* rgb */ color: rgb(44, 35, 193);
/* oklch */ color: oklch(40.6% 0.228 272.1);

Tailwind

colors: {
  custom: {
    50: '#8063d5',
    500: '#2c23c1',
    950: '#000000',
  },
}

SCSS

$custom: #2c23c1;
$custom-light: #8063d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23c1",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 193
  },
  "hsl": {
    "h": 243.418,
    "s": 69.298,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40627,
    "c": 0.22814,
    "h": 272.1
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#2C23C1

secondary

#C9CE72

accent

#EC3CE2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2C23C1

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

Preview Lab → · Contrast checker → · Palette generator →