#28259E#28259E

#28259E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.7% C 0.186 H 273.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#28259E
RGB	rgb(40, 37, 158)
HSL	hsl(241, 62%, 38%)
HSV	hsv(241, 77%, 62%)
CMYK	cmyk(74.7%, 76.6%, 0%, 38%)
CIE-LAB	lab(24.46, 42.03, -64.26)
CIE-LCH	lch(24.46, 76.78, 303.19°)
OKLab	oklab(36.68% 0.0109 -0.1859)
OKLCH	oklch(36.68% 0.186 273.3)
XYZ	xyz(7.7061, 4.2421, 32.7538)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28259E #9B9E25

analogous

#255E9E #28259E #65259E

triadic

#28259E #9E2825 #259E28

tetradic

#28259E #9E255E #9B9E25 #259E65

square

#28259E #9E255E #9B9E25 #259E65

split-complementary

#28259E #9E6525 #5E9E25

monochromatic

#0F0E3B #1B196C #28259E #3531CF #6663DA

Accessibility & contrast

On white

11.36

#28259E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#28259E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28259E

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28259E	#FFFFFF	#000000	##FFFFFF
##28259E	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00349C

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28259e;
/* rgb */ color: rgb(40, 37, 158);
/* oklch */ color: oklch(36.7% 0.186 273.3);

Tailwind

colors: {
  custom: {
    50: '#7662bc',
    500: '#28259e',
    950: '#000000',
  },
}

SCSS

$custom: #28259e;
$custom-light: #7662bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28259e",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 158
  },
  "hsl": {
    "h": 241.488,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36681,
    "c": 0.18624,
    "h": 273.3
  },
  "luminance": 0.04243
}

Semantic roles & 50–950 ramp

primary

#28259E

secondary

#BDC05F

accent

#E543E1

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28259E

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

Preview Lab → · Contrast checker → · Palette generator →