#28198F#28198F

#28198F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.179 H 276.4°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#28198F
RGB	rgb(40, 25, 143)
HSL	hsl(248, 70%, 33%)
HSV	hsv(248, 83%, 56%)
CMYK	cmyk(72%, 82.5%, 0%, 43.9%)
CIE-LAB	lab(20.55, 43.49, -61.47)
CIE-LCH	lch(20.55, 75.30, 305.28°)
OKLab	oklab(33.45% 0.0198 -0.1777)
OKLCH	oklch(33.45% 0.179 276.4)
XYZ	xyz(6.1790, 3.1290, 26.2596)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28198F #808F19

analogous

#19458F #28198F #63198F

triadic

#28198F #8F2819 #198F28

tetradic

#28198F #8F1945 #808F19 #198F63

square

#28198F #8F1945 #808F19 #198F63

split-complementary

#28198F #8F6319 #458F19

monochromatic

#0B0727 #19105B #28198F #3722C3 #5844DE

Accessibility & contrast

On white

12.92

#28198F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#28198F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28198F

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28198F	#FFFFFF	#000000	##FFFFFF
##28198F	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003692

Deuteranopia (green-blind)

#002C8D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #28198f;
/* rgb */ color: rgb(40, 25, 143);
/* oklch */ color: oklch(33.4% 0.179 276.4);

Tailwind

colors: {
  custom: {
    50: '#735ab1',
    500: '#28198f',
    950: '#000000',
  },
}

SCSS

$custom: #28198f;
$custom-light: #735ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#28198f",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 143
  },
  "hsl": {
    "h": 247.627,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33448,
    "c": 0.17876,
    "h": 276.4
  },
  "luminance": 0.0313
}

Semantic roles & 50–950 ramp

primary

#28198F

secondary

#B0BF44

accent

#ED3BD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #28198F

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

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