#28479C#28479C

#28479C is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.144 H 265.5°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#28479C
RGB	rgb(40, 71, 156)
HSL	hsl(224, 59%, 38%)
HSV	hsv(224, 74%, 61%)
CMYK	cmyk(74.4%, 54.5%, 0%, 38.8%)
CIE-LAB	lab(32.61, 19.46, -49.70)
CIE-LCH	lch(32.61, 53.37, 291.38°)
OKLab	oklab(42.6% -0.0112 -0.1431)
OKLCH	oklch(42.6% 0.144 265.5)
XYZ	xyz(9.1270, 7.3569, 32.3851)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28479C #9C7D28

analogous

#28819C #28479C #43289C

triadic

#28479C #9C2847 #479C28

tetradic

#28479C #9C2881 #9C7D28 #289C43

square

#28479C #9C2881 #9C7D28 #289C43

split-complementary

#28479C #9C4328 #819C28

monochromatic

#0F1B3B #1C316B #28479C #365ECB #6785D8

Accessibility & contrast

On white

8.50

#28479C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#28479C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28479C

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28479C	#FFFFFF	#000000	##FFFFFF
##28479C	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05529F

Deuteranopia (green-blind)

#00489A

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28479c;
/* rgb */ color: rgb(40, 71, 156);
/* oklch */ color: oklch(42.6% 0.144 265.5);

Tailwind

colors: {
  custom: {
    50: '#7279ba',
    500: '#28479c',
    950: '#000000',
  },
}

SCSS

$custom: #28479c;
$custom-light: #7279ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28479c",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 156
  },
  "hsl": {
    "h": 223.966,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42604,
    "c": 0.14354,
    "h": 265.5
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#28479C

secondary

#BEA562

accent

#B845E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #28479C

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

Preview Lab → · Contrast checker → · Palette generator →