#28477D#28477D

#28477D is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.098 H 260.7°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#28477D
RGB	rgb(40, 71, 125)
HSL	hsl(218, 52%, 32%)
HSV	hsv(218, 68%, 49%)
CMYK	cmyk(68%, 43.2%, 0%, 51%)
CIE-LAB	lab(30.49, 7.47, -34.06)
CIE-LCH	lch(30.49, 34.87, 282.37°)
OKLab	oklab(40.31% -0.0159 -0.0971)
OKLCH	oklch(40.31% 0.098 260.7)
XYZ	xyz(6.8287, 6.4376, 20.2808)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28477D #7D5E28

analogous

#28717D #28477D #34287D

triadic

#28477D #7D2847 #477D28

tetradic

#28477D #7D2871 #7D5E28 #287D34

square

#28477D #7D2871 #7D5E28 #287D34

split-complementary

#28477D #7D3428 #717D28

monochromatic

#0A1220 #192D4F #28477D #3761AB #5680C9

Accessibility & contrast

On white

9.18

#28477D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#28477D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28477D

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28477D	#FFFFFF	#000000	##FFFFFF
##28477D	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4C7F

Deuteranopia (green-blind)

#21447C

Tritanopia (blue-blind)

#00535C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28477d;
/* rgb */ color: rgb(40, 71, 125);
/* oklch */ color: oklch(40.3% 0.098 260.7);

Tailwind

colors: {
  custom: {
    50: '#6c79a3',
    500: '#28477d',
    950: '#000000',
  },
}

SCSS

$custom: #28477d;
$custom-light: #6c79a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28477d",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 125
  },
  "hsl": {
    "h": 218.118,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40309,
    "c": 0.0984,
    "h": 260.7
  },
  "luminance": 0.06438
}

Semantic roles & 50–950 ramp

primary

#28477D

secondary

#AE8D53

accent

#A74DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28477D

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

Preview Lab → · Contrast checker → · Palette generator →