#2C28B0#2C28B0

#2C28B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.204 H 273.0°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#2C28B0
RGB	rgb(44, 40, 176)
HSL	hsl(242, 63%, 42%)
HSV	hsv(242, 77%, 69%)
CMYK	cmyk(75%, 77.3%, 0%, 31%)
CIE-LAB	lab(27.26, 46.64, -70.49)
CIE-LCH	lch(27.26, 84.52, 303.49°)
OKLab	oklab(39.31% 0.0107 -0.204)
OKLCH	oklch(39.31% 0.204 273)
XYZ	xyz(9.6313, 5.1866, 41.5594)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28B0 #ACB028

analogous

#2868B0 #2C28B0 #7028B0

triadic

#2C28B0 #B02C28 #28B02C

tetradic

#2C28B0 #B02868 #ACB028 #28B070

square

#2C28B0 #B02868 #ACB028 #28B070

split-complementary

#2C28B0 #B07028 #68B028

monochromatic

#13114C #201D7E #2C28B0 #4641D4 #7673DF

Accessibility & contrast

On white

10.31

#2C28B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2C28B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28B0

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28B0	#FFFFFF	#000000	##FFFFFF
##2C28B0	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#003AAE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2c28b0;
/* rgb */ color: rgb(44, 40, 176);
/* oklch */ color: oklch(39.3% 0.204 273.0);

Tailwind

colors: {
  custom: {
    50: '#7b65c9',
    500: '#2c28b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c28b0;
$custom-light: #7b65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28b0",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 176
  },
  "hsl": {
    "h": 241.765,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39306,
    "c": 0.20426,
    "h": 273
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#2C28B0

secondary

#C4C66D

accent

#E642E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C28B0

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

Preview Lab → · Contrast checker → · Palette generator →