#28279E#28279E

#28279E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.184 H 273.1°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#28279E
RGB	rgb(40, 39, 158)
HSL	hsl(241, 60%, 39%)
HSV	hsv(241, 75%, 62%)
CMYK	cmyk(74.7%, 75.3%, 0%, 38%)
CIE-LAB	lab(24.86, 40.89, -63.59)
CIE-LCH	lch(24.86, 75.60, 302.74°)
OKLab	oklab(36.97% 0.0099 -0.184)
OKLCH	oklch(36.97% 0.184 273.1)
XYZ	xyz(7.7701, 4.3700, 32.7751)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28279E #9D9E27

analogous

#27619E #28279E #63279E

triadic

#28279E #9E2827 #279E28

tetradic

#28279E #9E2761 #9D9E27 #279E63

square

#28279E #9E2761 #9D9E27 #279E63

split-complementary

#28279E #9E6327 #619E27

monochromatic

#0F0F3C #1C1B6D #28279E #3635CD #6766D9

Accessibility & contrast

On white

11.20

#28279E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#28279E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28279E

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28279E	#FFFFFF	#000000	##FFFFFF
##28279E	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28279e;
/* rgb */ color: rgb(40, 39, 158);
/* oklch */ color: oklch(37.0% 0.184 273.1);

Tailwind

colors: {
  custom: {
    50: '#7663bc',
    500: '#28279e',
    950: '#000000',
  },
}

SCSS

$custom: #28279e;
$custom-light: #7663bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28279e",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 158
  },
  "hsl": {
    "h": 240.504,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36966,
    "c": 0.18427,
    "h": 273.1
  },
  "luminance": 0.04371
}

Semantic roles & 50–950 ramp

primary

#28279E

secondary

#BEBF62

accent

#E444E2

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28279E

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

Preview Lab → · Contrast checker → · Palette generator →