#28479E#28479E

#28479E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.8% C 0.146 H 265.7°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#28479E
RGB	rgb(40, 71, 158)
HSL	hsl(224, 60%, 39%)
HSV	hsv(224, 75%, 62%)
CMYK	cmyk(74.7%, 55.1%, 0%, 38%)
CIE-LAB	lab(32.76, 20.23, -50.67)
CIE-LCH	lch(32.76, 54.55, 291.76°)
OKLab	oklab(42.77% -0.0111 -0.1459)
OKLCH	oklch(42.77% 0.146 265.7)
XYZ	xyz(9.2977, 7.4252, 33.2843)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28479E #9E7F28

analogous

#28829E #28479E #44289E

triadic

#28479E #9E2847 #479E28

tetradic

#28479E #9E2882 #9E7F28 #289E44

square

#28479E #9E2882 #9E7F28 #289E44

split-complementary

#28479E #9E4428 #829E28

monochromatic

#0F1B3C #1C316D #28479E #375ECC #6885D9

Accessibility & contrast

On white

8.45

#28479E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#28479E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28479E

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28479E	#FFFFFF	#000000	##FFFFFF
##28479E	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A1

Deuteranopia (green-blind)

#00489C

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28479e;
/* rgb */ color: rgb(40, 71, 158);
/* oklch */ color: oklch(42.8% 0.146 265.7);

Tailwind

colors: {
  custom: {
    50: '#7379bb',
    500: '#28479e',
    950: '#000000',
  },
}

SCSS

$custom: #28479e;
$custom-light: #7379bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28479e",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 158
  },
  "hsl": {
    "h": 224.237,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.42765,
    "c": 0.14636,
    "h": 265.7
  },
  "luminance": 0.07426
}

Semantic roles & 50–950 ramp

primary

#28479E

secondary

#BFA763

accent

#B945E3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #28479E

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

Preview Lab → · Contrast checker → · Palette generator →