#28479A#28479A

#28479A is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.141 H 265.3°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#28479A
RGB	rgb(40, 71, 154)
HSL	hsl(224, 59%, 38%)
HSV	hsv(224, 74%, 60%)
CMYK	cmyk(74%, 53.9%, 0%, 39.6%)
CIE-LAB	lab(32.46, 18.68, -48.73)
CIE-LCH	lch(32.46, 52.19, 290.98°)
OKLab	oklab(42.45% -0.0114 -0.1402)
OKLCH	oklch(42.45% 0.141 265.3)
XYZ	xyz(8.9590, 7.2897, 31.5005)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28479A #9A7B28

analogous

#28809A #28479A #42289A

triadic

#28479A #9A2847 #479A28

tetradic

#28479A #9A2880 #9A7B28 #289A42

square

#28479A #9A2880 #9A7B28 #289A42

split-complementary

#28479A #9A4228 #809A28

monochromatic

#0F1A39 #1B3169 #28479A #355DCA #6584D7

Accessibility & contrast

On white

8.54

#28479A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#28479A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28479A

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28479A	#FFFFFF	#000000	##FFFFFF
##28479A	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B529D

Deuteranopia (green-blind)

#004798

Tritanopia (blue-blind)

#005B69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #28479a;
/* rgb */ color: rgb(40, 71, 154);
/* oklch */ color: oklch(42.4% 0.141 265.3);

Tailwind

colors: {
  custom: {
    50: '#7279b8',
    500: '#28479a',
    950: '#000000',
  },
}

SCSS

$custom: #28479a;
$custom-light: #7279b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28479a",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 154
  },
  "hsl": {
    "h": 223.684,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42445,
    "c": 0.1407,
    "h": 265.3
  },
  "luminance": 0.07291
}

Semantic roles & 50–950 ramp

primary

#28479A

secondary

#BDA461

accent

#B846E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #28479A

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

Preview Lab → · Contrast checker → · Palette generator →