#2C28BB#2C28BB

#2C28BB is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.5% C 0.217 H 272.2°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#2C28BB
RGB	rgb(44, 40, 187)
HSL	hsl(242, 65%, 45%)
HSV	hsv(242, 79%, 73%)
CMYK	cmyk(76.5%, 78.6%, 0%, 26.7%)
CIE-LAB	lab(28.48, 50.16, -75.01)
CIE-LCH	lch(28.48, 90.24, 303.77°)
OKLab	oklab(40.52% 0.0084 -0.2171)
OKLCH	oklch(40.52% 0.217 272.2)
XYZ	xyz(10.7641, 5.6398, 47.5254)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28BB #B7BB28

analogous

#286DBB #2C28BB #7628BB

triadic

#2C28BB #BB2C28 #28BB2C

tetradic

#2C28BB #BB286D #B7BB28 #28BB76

square

#2C28BB #BB286D #B7BB28 #28BB76

split-complementary

#2C28BB #BB7628 #6DBB28

monochromatic

#141256 #201D89 #2C28BB #4C48D8 #7E7BE3

Accessibility & contrast

On white

9.87

#2C28BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2C28BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28BB

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28BB	#FFFFFF	#000000	##FFFFFF
##2C28BB	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABF

Deuteranopia (green-blind)

#003CB8

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2c28bb;
/* rgb */ color: rgb(44, 40, 187);
/* oklch */ color: oklch(40.5% 0.217 272.2);

Tailwind

colors: {
  custom: {
    50: '#7e65d1',
    500: '#2c28bb',
    950: '#000000',
  },
}

SCSS

$custom: #2c28bb;
$custom-light: #7e65d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28bb",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 187
  },
  "hsl": {
    "h": 241.633,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.40524,
    "c": 0.21727,
    "h": 272.2
  },
  "luminance": 0.05641
}

Semantic roles & 50–950 ramp

primary

#2C28BB

secondary

#C8CB74

accent

#E840E3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2C28BB

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

Preview Lab → · Contrast checker → · Palette generator →