#28259D#28259D

#28259D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.6% C 0.185 H 273.4°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#28259D
RGB	rgb(40, 37, 157)
HSL	hsl(242, 62%, 38%)
HSV	hsv(242, 76%, 62%)
CMYK	cmyk(74.5%, 76.4%, 0%, 38.4%)
CIE-LAB	lab(24.35, 41.69, -63.83)
CIE-LCH	lch(24.35, 76.24, 303.15°)
OKLab	oklab(36.57% 0.0111 -0.1847)
OKLCH	oklch(36.57% 0.185 273.4)
XYZ	xyz(7.6204, 4.2078, 32.3023)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28259D #9A9D25

analogous

#255E9D #28259D #64259D

triadic

#28259D #9D2825 #259D28

tetradic

#28259D #9D255E #9A9D25 #259D64

square

#28259D #9D255E #9A9D25 #259D64

split-complementary

#28259D #9D6425 #5E9D25

monochromatic

#0F0E3A #1B196B #28259D #3531CE #6562DA

Accessibility & contrast

On white

11.40

#28259D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#28259D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28259D

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28259D	#FFFFFF	#000000	##FFFFFF
##28259D	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA0

Deuteranopia (green-blind)

#00349B

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28259d;
/* rgb */ color: rgb(40, 37, 157);
/* oklch */ color: oklch(36.6% 0.185 273.4);

Tailwind

colors: {
  custom: {
    50: '#7661bb',
    500: '#28259d',
    950: '#000000',
  },
}

SCSS

$custom: #28259d;
$custom-light: #7661bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28259d",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 157
  },
  "hsl": {
    "h": 241.5,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36571,
    "c": 0.185,
    "h": 273.4
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#28259D

secondary

#BDBF5E

accent

#E543E1

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28259D

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

Preview Lab → · Contrast checker → · Palette generator →