#28198A#28198A

#28198A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.173 H 277.1°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#28198A
RGB	rgb(40, 25, 138)
HSL	hsl(248, 69%, 32%)
HSV	hsv(248, 82%, 54%)
CMYK	cmyk(71%, 81.9%, 0%, 45.9%)
CIE-LAB	lab(19.97, 41.92, -59.32)
CIE-LCH	lch(19.97, 72.63, 305.25°)
OKLab	oklab(32.87% 0.0213 -0.1714)
OKLCH	oklch(32.87% 0.173 277.1)
XYZ	xyz(5.8087, 2.9808, 24.3091)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28198A #7B8A19

analogous

#19428A #28198A #61198A

triadic

#28198A #8A2819 #198A28

tetradic

#28198A #8A1942 #7B8A19 #198A61

square

#28198A #8A1942 #7B8A19 #198A61

split-complementary

#28198A #8A6119 #428A19

monochromatic

#0A0622 #191056 #28198A #3722BE #5641DD

Accessibility & contrast

On white

13.16

#28198A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#28198A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28198A

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28198A	#FFFFFF	#000000	##FFFFFF
##28198A	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002B88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28198a;
/* rgb */ color: rgb(40, 25, 138);
/* oklch */ color: oklch(32.9% 0.173 277.1);

Tailwind

colors: {
  custom: {
    50: '#7259ad',
    500: '#28198a',
    950: '#000000',
  },
}

SCSS

$custom: #28198a;
$custom-light: #7259ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28198a",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 138
  },
  "hsl": {
    "h": 247.965,
    "s": 69.325,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3287,
    "c": 0.17272,
    "h": 277.1
  },
  "luminance": 0.02981
}

Semantic roles & 50–950 ramp

primary

#28198A

secondary

#ADBD42

accent

#EC3CD5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #28198A

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

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