#28198D#28198D

#28198D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.176 H 276.6°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#28198D
RGB	rgb(40, 25, 141)
HSL	hsl(248, 70%, 33%)
HSV	hsv(248, 82%, 55%)
CMYK	cmyk(71.6%, 82.3%, 0%, 44.7%)
CIE-LAB	lab(20.32, 42.86, -60.61)
CIE-LCH	lch(20.32, 74.24, 305.27°)
OKLab	oklab(33.22% 0.0204 -0.1752)
OKLCH	oklch(33.22% 0.176 276.6)
XYZ	xyz(6.0289, 3.0689, 25.4688)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28198D #7E8D19

analogous

#19448D #28198D #62198D

triadic

#28198D #8D2819 #198D28

tetradic

#28198D #8D1944 #7E8D19 #198D62

square

#28198D #8D1944 #7E8D19 #198D62

split-complementary

#28198D #8D6219 #448D19

monochromatic

#0B0725 #191059 #28198D #3722C1 #5743DE

Accessibility & contrast

On white

13.01

#28198D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#28198D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28198D

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28198D	#FFFFFF	#000000	##FFFFFF
##28198D	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #28198d;
/* rgb */ color: rgb(40, 25, 141);
/* oklch */ color: oklch(33.2% 0.176 276.6);

Tailwind

colors: {
  custom: {
    50: '#735ab0',
    500: '#28198d',
    950: '#000000',
  },
}

SCSS

$custom: #28198d;
$custom-light: #735ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#28198d",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 141
  },
  "hsl": {
    "h": 247.759,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33216,
    "c": 0.17636,
    "h": 276.6
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#28198D

secondary

#AFBF43

accent

#ED3BD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #28198D

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

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