#2C28A4#2C28A4

#2C28A4 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.0% C 0.190 H 274.0°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2C28A4
RGB	rgb(44, 40, 164)
HSL	hsl(242, 61%, 40%)
HSV	hsv(242, 76%, 64%)
CMYK	cmyk(73.2%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(25.96, 42.71, -65.41)
CIE-LCH	lch(25.96, 78.12, 303.14°)
OKLab	oklab(38% 0.0132 -0.1892)
OKLCH	oklch(38% 0.19 274)
XYZ	xyz(8.4961, 4.7325, 35.5805)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28A4 #A0A428

analogous

#2862A4 #2C28A4 #6A28A4

triadic

#2C28A4 #A42C28 #28A42C

tetradic

#2C28A4 #A42862 #A0A428 #28A46A

square

#2C28A4 #A42862 #A0A428 #28A46A

split-complementary

#2C28A4 #A46A28 #62A428

monochromatic

#121042 #1F1C73 #2C28A4 #3F3ACF #6F6BDB

Accessibility & contrast

On white

10.79

#2C28A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2C28A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28A4

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28A4	#FFFFFF	#000000	##FFFFFF
##2C28A4	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0038A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2c28a4;
/* rgb */ color: rgb(44, 40, 164);
/* oklch */ color: oklch(38.0% 0.190 274.0);

Tailwind

colors: {
  custom: {
    50: '#7864c0',
    500: '#2c28a4',
    950: '#000000',
  },
}

SCSS

$custom: #2c28a4;
$custom-light: #7864c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28a4",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 241.935,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38004,
    "c": 0.18968,
    "h": 274
  },
  "luminance": 0.04733
}

Semantic roles & 50–950 ramp

primary

#2C28A4

secondary

#BFC166

accent

#E444DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2C28A4

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

Preview Lab → · Contrast checker → · Palette generator →