#28259F#28259F

#28259F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.187 H 273.3°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#28259F
RGB	rgb(40, 37, 159)
HSL	hsl(241, 62%, 38%)
HSV	hsv(241, 77%, 62%)
CMYK	cmyk(74.8%, 76.7%, 0%, 37.6%)
CIE-LAB	lab(24.57, 42.36, -64.68)
CIE-LCH	lch(24.57, 77.32, 303.22°)
OKLab	oklab(36.79% 0.0106 -0.1872)
OKLCH	oklch(36.79% 0.187 273.3)
XYZ	xyz(7.7926, 4.2767, 33.2090)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28259F #9C9F25

analogous

#255F9F #28259F #65259F

triadic

#28259F #9F2825 #259F28

tetradic

#28259F #9F255F #9C9F25 #259F65

square

#28259F #9F255F #9C9F25 #259F65

split-complementary

#28259F #9F6525 #5F9F25

monochromatic

#0F0E3C #1C196D #28259F #3632CF #6664DB

Accessibility & contrast

On white

11.32

#28259F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#28259F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28259F

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28259F	#FFFFFF	#000000	##FFFFFF
##28259F	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A2

Deuteranopia (green-blind)

#00349D

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28259f;
/* rgb */ color: rgb(40, 37, 159);
/* oklch */ color: oklch(36.8% 0.187 273.3);

Tailwind

colors: {
  custom: {
    50: '#7662bd',
    500: '#28259f',
    950: '#000000',
  },
}

SCSS

$custom: #28259f;
$custom-light: #7662bd;
$custom-dark: #000000;

JSON

{
  "hex": "#28259f",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 159
  },
  "hsl": {
    "h": 241.475,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.3679,
    "c": 0.18746,
    "h": 273.3
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary

#28259F

secondary

#BEC05F

accent

#E542E1

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28259F

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

Preview Lab → · Contrast checker → · Palette generator →