#28148D#28148D

#28148D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.180 H 277.1°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#28148D
RGB	rgb(40, 20, 141)
HSL	hsl(250, 75%, 32%)
HSV	hsv(250, 86%, 55%)
CMYK	cmyk(71.6%, 85.8%, 0%, 44.7%)
CIE-LAB	lab(19.53, 45.17, -61.91)
CIE-LCH	lch(19.53, 76.64, 306.11°)
OKLab	oklab(32.67% 0.0224 -0.1789)
OKLCH	oklch(32.67% 0.18 277.1)
XYZ	xyz(5.9314, 2.8740, 25.4363)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28148D #798D14

analogous

#143D8D #28148D #65148D

triadic

#28148D #8D2814 #148D28

tetradic

#28148D #8D143D #798D14 #148D65

square

#28148D #8D143D #798D14 #148D65

split-complementary

#28148D #8D6514 #3D8D14

monochromatic

#0A0522 #190C57 #28148D #371CC3 #5539E3

Accessibility & contrast

On white

13.33

#28148D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28148D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28148D

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28148D	#FFFFFF	#000000	##FFFFFF
##28148D	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #28148d;
/* rgb */ color: rgb(40, 20, 141);
/* oklch */ color: oklch(32.7% 0.180 277.1);

Tailwind

colors: {
  custom: {
    50: '#7357b0',
    500: '#28148d',
    950: '#000000',
  },
}

SCSS

$custom: #28148d;
$custom-light: #7357b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28148d",
  "rgb": {
    "r": 40,
    "g": 20,
    "b": 141
  },
  "hsl": {
    "h": 249.917,
    "s": 75.155,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32674,
    "c": 0.18027,
    "h": 277.1
  },
  "luminance": 0.02875
}

Semantic roles & 50–950 ramp

primary

#28148D

secondary

#ABC13C

accent

#F236D3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #28148D

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

Preview Lab → · Contrast checker → · Palette generator →