#28259B#28259B

#28259B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.183 H 273.6°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#28259B
RGB	rgb(40, 37, 155)
HSL	hsl(242, 61%, 38%)
HSV	hsv(242, 76%, 61%)
CMYK	cmyk(74.2%, 76.1%, 0%, 39.2%)
CIE-LAB	lab(24.13, 41.02, -62.96)
CIE-LCH	lch(24.13, 75.15, 303.08°)
OKLab	oklab(36.35% 0.0115 -0.1821)
OKLCH	oklch(36.35% 0.183 273.6)
XYZ	xyz(7.4511, 4.1401, 31.4104)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28259B #989B25

analogous

#255D9B #28259B #63259B

triadic

#28259B #9B2825 #259B28

tetradic

#28259B #9B255D #989B25 #259B63

square

#28259B #9B255D #989B25 #259B63

split-complementary

#28259B #9B6325 #5D9B25

monochromatic

#0E0D38 #1B196A #28259B #3531CC #6461D9

Accessibility & contrast

On white

11.49

#28259B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#28259B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28259B

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28259B	#FFFFFF	#000000	##FFFFFF
##28259B	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28259b;
/* rgb */ color: rgb(40, 37, 155);
/* oklch */ color: oklch(36.4% 0.183 273.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28259b",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 155
  },
  "hsl": {
    "h": 241.525,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36353,
    "c": 0.18251,
    "h": 273.6
  },
  "luminance": 0.04141
}

Semantic roles & 50–950 ramp

primary

#28259B

secondary

#BCBF5D

accent

#E543E0

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28259B

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

Preview Lab → · Contrast checker → · Palette generator →