#2C28B7#2C28B7

#2C28B7 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.213 H 272.5°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#2C28B7
RGB	rgb(44, 40, 183)
HSL	hsl(242, 64%, 44%)
HSV	hsv(242, 78%, 72%)
CMYK	cmyk(76%, 78.1%, 0%, 28.2%)
CIE-LAB	lab(28.04, 48.89, -73.38)
CIE-LCH	lch(28.04, 88.18, 303.67°)
OKLab	oklab(40.08% 0.0093 -0.2124)
OKLCH	oklch(40.08% 0.213 272.5)
XYZ	xyz(10.3419, 5.4709, 45.3015)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28B7 #B3B728

analogous

#286BB7 #2C28B7 #7328B7

triadic

#2C28B7 #B72C28 #28B72C

tetradic

#2C28B7 #B7286B #B3B728 #28B773

square

#2C28B7 #B7286B #B3B728 #28B773

split-complementary

#2C28B7 #B77328 #6BB728

monochromatic

#141253 #201D85 #2C28B7 #4A46D6 #7B78E1

Accessibility & contrast

On white

10.03

#2C28B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2C28B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28B7

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28B7	#FFFFFF	#000000	##FFFFFF
##2C28B7	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BB

Deuteranopia (green-blind)

#003BB5

Tritanopia (blue-blind)

#00546F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2c28b7;
/* rgb */ color: rgb(44, 40, 183);
/* oklch */ color: oklch(40.1% 0.213 272.5);

Tailwind

colors: {
  custom: {
    50: '#7d65ce',
    500: '#2c28b7',
    950: '#000000',
  },
}

SCSS

$custom: #2c28b7;
$custom-light: #7d65ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28b7",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 183
  },
  "hsl": {
    "h": 241.678,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40079,
    "c": 0.21258,
    "h": 272.5
  },
  "luminance": 0.05472
}

Semantic roles & 50–950 ramp

primary

#2C28B7

secondary

#C7C972

accent

#E741E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2C28B7

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

Preview Lab → · Contrast checker → · Palette generator →