#28279C#28279C

#28279C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.182 H 273.2°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#28279C
RGB	rgb(40, 39, 156)
HSL	hsl(241, 60%, 38%)
HSV	hsv(241, 75%, 61%)
CMYK	cmyk(74.4%, 75%, 0%, 38.8%)
CIE-LAB	lab(24.64, 40.21, -62.72)
CIE-LCH	lch(24.64, 74.50, 302.66°)
OKLab	oklab(36.75% 0.0103 -0.1815)
OKLCH	oklch(36.75% 0.182 273.2)
XYZ	xyz(7.5993, 4.3017, 31.8759)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28279C #9B9C27

analogous

#27609C #28279C #62279C

triadic

#28279C #9C2827 #279C28

tetradic

#28279C #9C2760 #9B9C27 #279C62

square

#28279C #9C2760 #9B9C27 #279C62

split-complementary

#28279C #9C6227 #609C27

monochromatic

#0F0F3A #1B1B6B #28279C #3534CC #6665D8

Accessibility & contrast

On white

11.29

#28279C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#28279C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28279C

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28279C	#FFFFFF	#000000	##FFFFFF
##28279C	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409F

Deuteranopia (green-blind)

#00359A

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28279c;
/* rgb */ color: rgb(40, 39, 156);
/* oklch */ color: oklch(36.8% 0.182 273.2);

Tailwind

colors: {
  custom: {
    50: '#7563ba',
    500: '#28279c',
    950: '#000000',
  },
}

SCSS

$custom: #28279c;
$custom-light: #7563ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28279c",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 156
  },
  "hsl": {
    "h": 240.513,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.3675,
    "c": 0.18176,
    "h": 273.2
  },
  "luminance": 0.04302
}

Semantic roles & 50–950 ramp

primary

#28279C

secondary

#BDBE61

accent

#E345E2

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28279C

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

Preview Lab → · Contrast checker → · Palette generator →