#2C28B2#2C28B2

#2C28B2 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.207 H 272.9°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2C28B2
RGB	rgb(44, 40, 178)
HSL	hsl(242, 63%, 43%)
HSV	hsv(242, 78%, 70%)
CMYK	cmyk(75.3%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(27.48, 47.29, -71.32)
CIE-LCH	lch(27.48, 85.57, 303.54°)
OKLab	oklab(39.53% 0.0103 -0.2064)
OKLCH	oklch(39.53% 0.207 272.9)
XYZ	xyz(9.8307, 5.2664, 42.6093)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28B2 #AEB228

analogous

#2869B2 #2C28B2 #7128B2

triadic

#2C28B2 #B22C28 #28B22C

tetradic

#2C28B2 #B22869 #AEB228 #28B271

square

#2C28B2 #B22869 #AEB228 #28B271

split-complementary

#2C28B2 #B27128 #69B228

monochromatic

#13124E #201D80 #2C28B2 #4743D5 #7875E0

Accessibility & contrast

On white

10.23

#2C28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2C28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28B2

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28B2	#FFFFFF	#000000	##FFFFFF
##2C28B2	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003AB0

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2c28b2;
/* rgb */ color: rgb(44, 40, 178);
/* oklch */ color: oklch(39.5% 0.207 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c65ca',
    500: '#2c28b2',
    950: '#000000',
  },
}

SCSS

$custom: #2c28b2;
$custom-light: #7c65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28b2",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 241.739,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39526,
    "c": 0.20666,
    "h": 272.9
  },
  "luminance": 0.05267
}

Semantic roles & 50–950 ramp

primary

#2C28B2

secondary

#C5C76F

accent

#E641E2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C28B2

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

Preview Lab → · Contrast checker → · Palette generator →