#28557D#28557D

#28557D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.7% C 0.083 H 247.8°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#28557D
RGB	rgb(40, 85, 125)
HSL	hsl(208, 52%, 32%)
HSV	hsv(208, 68%, 49%)
CMYK	cmyk(68%, 32%, 0%, 51%)
CIE-LAB	lab(34.86, -1.72, -27.15)
CIE-LCH	lch(34.86, 27.20, 266.38°)
OKLab	oklab(43.72% -0.0314 -0.0767)
OKLCH	oklch(43.72% 0.083 247.8)
XYZ	xyz(7.8239, 8.4280, 20.6125)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28557D #7D5028

analogous

#287D7A #28557D #282B7D

triadic

#28557D #7D2855 #557D28

tetradic

#28557D #7A287D #7D5028 #2B7D28

square

#28557D #7A287D #7D5028 #2B7D28

split-complementary

#28557D #7D282B #7D7A28

monochromatic

#0A1620 #19354F #28557D #3775AB #5693C9

Accessibility & contrast

On white

7.82

#28557D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#28557D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28557D

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28557D	#FFFFFF	#000000	##FFFFFF
##28557D	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43577F

Deuteranopia (green-blind)

#384E7C

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #28557d;
/* rgb */ color: rgb(40, 85, 125);
/* oklch */ color: oklch(43.7% 0.083 247.8);

Tailwind

colors: {
  custom: {
    50: '#6c84a3',
    500: '#28557d',
    950: '#000000',
  },
}

SCSS

$custom: #28557d;
$custom-light: #6c84a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28557d",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 125
  },
  "hsl": {
    "h": 208.235,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43719,
    "c": 0.08288,
    "h": 247.8
  },
  "luminance": 0.08429
}

Semantic roles & 50–950 ramp

primary

#28557D

secondary

#AE7E53

accent

#904DDB

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28557D

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

Preview Lab → · Contrast checker → · Palette generator →