#28587D#28587D

#28587D is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.080 H 244.4°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#28587D
RGB	rgb(40, 88, 125)
HSL	hsl(206, 52%, 32%)
HSV	hsv(206, 68%, 49%)
CMYK	cmyk(68%, 29.6%, 0%, 51%)
CIE-LAB	lab(35.81, -3.61, -25.66)
CIE-LCH	lch(35.81, 25.91, 261.99°)
OKLab	oklab(44.47% -0.0347 -0.0724)
OKLCH	oklch(44.47% 0.08 244.4)
XYZ	xyz(8.0651, 8.9104, 20.6929)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28587D #7D4D28

analogous

#287D78 #28587D #282D7D

triadic

#28587D #7D2858 #587D28

tetradic

#28587D #78287D #7D4D28 #2D7D28

square

#28587D #78287D #7D4D28 #2D7D28

split-complementary

#28587D #7D282D #7D7828

monochromatic

#0A1720 #19374F #28587D #3779AB #5697C9

Accessibility & contrast

On white

7.55

#28587D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#28587D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28587D

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28587D	#FFFFFF	#000000	##FFFFFF
##28587D	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48597F

Deuteranopia (green-blind)

#3C517C

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28587d;
/* rgb */ color: rgb(40, 88, 125);
/* oklch */ color: oklch(44.5% 0.080 244.4);

Tailwind

colors: {
  custom: {
    50: '#6c87a3',
    500: '#28587d',
    950: '#000000',
  },
}

SCSS

$custom: #28587d;
$custom-light: #6c87a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28587d",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 125
  },
  "hsl": {
    "h": 206.118,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.4447,
    "c": 0.08026,
    "h": 244.4
  },
  "luminance": 0.08911
}

Semantic roles & 50–950 ramp

primary

#28587D

secondary

#AE7A53

accent

#8B4DDB

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #28587D

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

Preview Lab → · Contrast checker → · Palette generator →