#28279A#28279A

#28279A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.179 H 273.4°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#28279A
RGB	rgb(40, 39, 154)
HSL	hsl(241, 60%, 38%)
HSV	hsv(241, 75%, 60%)
CMYK	cmyk(74%, 74.7%, 0%, 39.6%)
CIE-LAB	lab(24.43, 39.53, -61.85)
CIE-LCH	lch(24.43, 73.40, 302.58°)
OKLab	oklab(36.54% 0.0107 -0.1789)
OKLCH	oklch(36.54% 0.179 273.4)
XYZ	xyz(7.4314, 4.2345, 30.9913)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28279A #999A27

analogous

#275F9A #28279A #62279A

triadic

#28279A #9A2827 #279A28

tetradic

#28279A #9A275F #999A27 #279A62

square

#28279A #9A275F #999A27 #279A62

split-complementary

#28279A #9A6227 #5F9A27

monochromatic

#0F0E38 #1B1B69 #28279A #3533CB #6564D8

Accessibility & contrast

On white

11.37

#28279A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#28279A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28279A

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28279A	#FFFFFF	#000000	##FFFFFF
##28279A	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28279a;
/* rgb */ color: rgb(40, 39, 154);
/* oklch */ color: oklch(36.5% 0.179 273.4);

Tailwind

colors: {
  custom: {
    50: '#7563b9',
    500: '#28279a',
    950: '#000000',
  },
}

SCSS

$custom: #28279a;
$custom-light: #7563b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28279a",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 154
  },
  "hsl": {
    "h": 240.522,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36535,
    "c": 0.17925,
    "h": 273.4
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#28279A

secondary

#BDBD5F

accent

#E345E1

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28279A

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

Preview Lab → · Contrast checker → · Palette generator →