#28258C#28258C

#28258C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.163 H 275.0°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#28258C
RGB	rgb(40, 37, 140)
HSL	hsl(242, 58%, 35%)
HSV	hsv(242, 74%, 55%)
CMYK	cmyk(71.4%, 73.6%, 0%, 45.1%)
CIE-LAB	lab(22.54, 35.90, -56.32)
CIE-LCH	lch(22.54, 66.79, 302.51°)
OKLab	oklab(34.75% 0.0143 -0.1628)
OKLCH	oklch(34.75% 0.163 275)
XYZ	xyz(6.2687, 3.6671, 25.1833)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28258C #898C25

analogous

#25558C #28258C #5C258C

triadic

#28258C #8C2825 #258C28

tetradic

#28258C #8C2555 #898C25 #258C5C

square

#28258C #8C2555 #898C25 #258C5C

split-complementary

#28258C #8C5C25 #558C25

monochromatic

#0C0B2B #1A185C #28258C #3632BC #5C58D3

Accessibility & contrast

On white

12.11

#28258C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#28258C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28258C

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28258C	#FFFFFF	#000000	##FFFFFF
##28258C	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00318A

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #28258c;
/* rgb */ color: rgb(40, 37, 140);
/* oklch */ color: oklch(34.7% 0.163 275.0);

Tailwind

colors: {
  custom: {
    50: '#7161af',
    500: '#28258c',
    950: '#000000',
  },
}

SCSS

$custom: #28258c;
$custom-light: #7161af;
$custom-dark: #000000;

JSON

{
  "hex": "#28258c",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 140
  },
  "hsl": {
    "h": 241.748,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34747,
    "c": 0.16343,
    "h": 275
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#28258C

secondary

#B5B855

accent

#E146DD

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #28258C

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

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