#28258B#28258B

#28258B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.162 H 275.1°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#28258B
RGB	rgb(40, 37, 139)
HSL	hsl(242, 58%, 35%)
HSV	hsv(242, 73%, 55%)
CMYK	cmyk(71.2%, 73.4%, 0%, 45.5%)
CIE-LAB	lab(22.44, 35.55, -55.87)
CIE-LCH	lch(22.44, 66.22, 302.47°)
OKLab	oklab(34.64% 0.0145 -0.1615)
OKLCH	oklch(34.64% 0.162 275.1)
XYZ	xyz(6.1953, 3.6378, 24.7968)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28258B #888B25

analogous

#25558B #28258B #5B258B

triadic

#28258B #8B2825 #258B28

tetradic

#28258B #8B2555 #888B25 #258B5B

square

#28258B #8B2555 #888B25 #258B5B

split-complementary

#28258B #8B5B25 #558B25

monochromatic

#0C0B2A #1A185B #28258B #3632BB #5B58D3

Accessibility & contrast

On white

12.16

#28258B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#28258B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28258B

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28258B	#FFFFFF	#000000	##FFFFFF
##28258B	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #28258b;
/* rgb */ color: rgb(40, 37, 139);
/* oklch */ color: oklch(34.6% 0.162 275.1);

Tailwind

colors: {
  custom: {
    50: '#7161ae',
    500: '#28258b',
    950: '#000000',
  },
}

SCSS

$custom: #28258b;
$custom-light: #7161ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28258b",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 139
  },
  "hsl": {
    "h": 241.765,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34643,
    "c": 0.16213,
    "h": 275.1
  },
  "luminance": 0.03638
}

Semantic roles & 50–950 ramp

primary

#28258B

secondary

#B4B755

accent

#E147DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #28258B

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

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