#28259C#28259C

#28259C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.184 H 273.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#28259C
RGB	rgb(40, 37, 156)
HSL	hsl(242, 62%, 38%)
HSV	hsv(242, 76%, 61%)
CMYK	cmyk(74.4%, 76.3%, 0%, 38.8%)
CIE-LAB	lab(24.24, 41.36, -63.39)
CIE-LCH	lch(24.24, 75.69, 303.12°)
OKLab	oklab(36.46% 0.0113 -0.1834)
OKLCH	oklch(36.46% 0.184 273.5)
XYZ	xyz(7.5354, 4.1738, 31.8545)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28259C #999C25

analogous

#255D9C #28259C #64259C

triadic

#28259C #9C2825 #259C28

tetradic

#28259C #9C255D #999C25 #259C64

square

#28259C #9C255D #999C25 #259C64

split-complementary

#28259C #9C6425 #5D9C25

monochromatic

#0F0E39 #1B196B #28259C #3531CD #6562DA

Accessibility & contrast

On white

11.44

#28259C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#28259C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28259C

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28259C	#FFFFFF	#000000	##FFFFFF
##28259C	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28259c;
/* rgb */ color: rgb(40, 37, 156);
/* oklch */ color: oklch(36.5% 0.184 273.5);

Tailwind

colors: {
  custom: {
    50: '#7561ba',
    500: '#28259c',
    950: '#000000',
  },
}

SCSS

$custom: #28259c;
$custom-light: #7561ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28259c",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 156
  },
  "hsl": {
    "h": 241.513,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36462,
    "c": 0.18375,
    "h": 273.5
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#28259C

secondary

#BDBF5E

accent

#E543E1

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28259C

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

Preview Lab → · Contrast checker → · Palette generator →