#28259A#28259A

#28259A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.2% C 0.181 H 273.7°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#28259A
RGB	rgb(40, 37, 154)
HSL	hsl(242, 61%, 37%)
HSV	hsv(242, 76%, 60%)
CMYK	cmyk(74%, 76%, 0%, 39.6%)
CIE-LAB	lab(24.02, 40.68, -62.53)
CIE-LCH	lch(24.02, 74.60, 303.05°)
OKLab	oklab(36.24% 0.0117 -0.1809)
OKLCH	oklch(36.24% 0.181 273.7)
XYZ	xyz(7.3674, 4.1066, 30.9700)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28259A #979A25

analogous

#255D9A #28259A #62259A

triadic

#28259A #9A2825 #259A28

tetradic

#28259A #9A255D #979A25 #259A62

square

#28259A #9A255D #979A25 #259A62

split-complementary

#28259A #9A6225 #5D9A25

monochromatic

#0E0D37 #1B1969 #28259A #3531CB #6460D9

Accessibility & contrast

On white

11.53

#28259A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#28259A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28259A

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28259A	#FFFFFF	#000000	##FFFFFF
##28259A	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003398

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28259a;
/* rgb */ color: rgb(40, 37, 154);
/* oklch */ color: oklch(36.2% 0.181 273.7);

Tailwind

colors: {
  custom: {
    50: '#7561b9',
    500: '#28259a',
    950: '#000000',
  },
}

SCSS

$custom: #28259a;
$custom-light: #7561b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28259a",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 154
  },
  "hsl": {
    "h": 241.538,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36244,
    "c": 0.18126,
    "h": 273.7
  },
  "luminance": 0.04107
}

Semantic roles & 50–950 ramp

primary

#28259A

secondary

#BCBE5D

accent

#E443E0

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28259A

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

Preview Lab → · Contrast checker → · Palette generator →