#28577F#28577F

#28577F is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.084 H 246.8°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#28577F
RGB	rgb(40, 87, 127)
HSL	hsl(208, 52%, 33%)
HSV	hsv(208, 69%, 50%)
CMYK	cmyk(68.5%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(35.59, -2.24, -27.23)
CIE-LCH	lch(35.59, 27.32, 265.29°)
OKLab	oklab(44.33% -0.0329 -0.0769)
OKLCH	oklch(44.33% 0.084 246.8)
XYZ	xyz(8.1126, 8.7990, 21.3454)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28577F #7F5028

analogous

#287F7B #28577F #282C7F

triadic

#28577F #7F2857 #577F28

tetradic

#28577F #7B287F #7F5028 #2C7F28

square

#28577F #7B287F #7F5028 #2C7F28

split-complementary

#28577F #7F282C #7F7B28

monochromatic

#0B1722 #193750 #28577F #3777AE #5795CA

Accessibility & contrast

On white

7.61

#28577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#28577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28577F

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28577F	#FFFFFF	#000000	##FFFFFF
##28577F	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455881

Deuteranopia (green-blind)

#39507E

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28577f;
/* rgb */ color: rgb(40, 87, 127);
/* oklch */ color: oklch(44.3% 0.084 246.8);

Tailwind

colors: {
  custom: {
    50: '#6c86a4',
    500: '#28577f',
    950: '#000000',
  },
}

SCSS

$custom: #28577f;
$custom-light: #6c86a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28577f",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 207.586,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44332,
    "c": 0.08369,
    "h": 246.8
  },
  "luminance": 0.088
}

Semantic roles & 50–950 ramp

primary

#28577F

secondary

#AF7E54

accent

#8E4CDC

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #28577F

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

Preview Lab → · Contrast checker → · Palette generator →