#28587C#28587C

#28587C is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.4% C 0.079 H 243.6°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#28587C
RGB	rgb(40, 88, 124)
HSL	hsl(206, 51%, 32%)
HSV	hsv(206, 68%, 49%)
CMYK	cmyk(67.7%, 29%, 0%, 51.4%)
CIE-LAB	lab(35.76, -3.98, -25.12)
CIE-LCH	lch(35.76, 25.43, 261.01°)
OKLab	oklab(44.41% -0.0351 -0.0708)
OKLCH	oklch(44.41% 0.079 243.6)
XYZ	xyz(8.0015, 8.8850, 20.3582)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28587C #7C4C28

analogous

#287C76 #28587C #282E7C

triadic

#28587C #7C2858 #587C28

tetradic

#28587C #76287C #7C4C28 #2E7C28

square

#28587C #76287C #7C4C28 #2E7C28

split-complementary

#28587C #7C282E #7C7628

monochromatic

#0A161F #19374E #28587C #3779AA #5697C8

Accessibility & contrast

On white

7.56

#28587C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#28587C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28587C

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28587C	#FFFFFF	#000000	##FFFFFF
##28587C	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48597E

Deuteranopia (green-blind)

#3C507B

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28587c;
/* rgb */ color: rgb(40, 88, 124);
/* oklch */ color: oklch(44.4% 0.079 243.6);

Tailwind

colors: {
  custom: {
    50: '#6c87a2',
    500: '#28587c',
    950: '#000000',
  },
}

SCSS

$custom: #28587c;
$custom-light: #6c87a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28587c",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 124
  },
  "hsl": {
    "h": 205.714,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44414,
    "c": 0.07901,
    "h": 243.6
  },
  "luminance": 0.08886
}

Semantic roles & 50–950 ramp

primary

#28587C

secondary

#AD7952

accent

#8A4DDB

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #28587C

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

Preview Lab → · Contrast checker → · Palette generator →