#28258A#28258A

#28258A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.161 H 275.2°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#28258A
RGB	rgb(40, 37, 138)
HSL	hsl(242, 58%, 34%)
HSV	hsv(242, 73%, 54%)
CMYK	cmyk(71%, 73.2%, 0%, 45.9%)
CIE-LAB	lab(22.33, 35.20, -55.41)
CIE-LCH	lch(22.33, 65.65, 302.43°)
OKLab	oklab(34.54% 0.0147 -0.1601)
OKLCH	oklch(34.54% 0.161 275.2)
XYZ	xyz(6.1226, 3.6087, 24.4137)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28258A #878A25

analogous

#25558A #28258A #5B258A

triadic

#28258A #8A2825 #258A28

tetradic

#28258A #8A2555 #878A25 #258A5B

square

#28258A #8A2555 #878A25 #258A5B

split-complementary

#28258A #8A5B25 #558A25

monochromatic

#0C0B29 #1A185A #28258A #3632BA #5B57D2

Accessibility & contrast

On white

12.20

#28258A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#28258A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28258A

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28258A	#FFFFFF	#000000	##FFFFFF
##28258A	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28258a;
/* rgb */ color: rgb(40, 37, 138);
/* oklch */ color: oklch(34.5% 0.161 275.2);

Tailwind

colors: {
  custom: {
    50: '#7161ad',
    500: '#28258a',
    950: '#000000',
  },
}

SCSS

$custom: #28258a;
$custom-light: #7161ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28258a",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 138
  },
  "hsl": {
    "h": 241.782,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34538,
    "c": 0.16082,
    "h": 275.2
  },
  "luminance": 0.03609
}

Semantic roles & 50–950 ramp

primary

#28258A

secondary

#B4B754

accent

#E147DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #28258A

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

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