#28577E#28577E

#28577E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.082 H 246.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#28577E
RGB	rgb(40, 87, 126)
HSL	hsl(207, 52%, 33%)
HSV	hsv(207, 68%, 49%)
CMYK	cmyk(68.3%, 31%, 0%, 50.6%)
CIE-LAB	lab(35.54, -2.61, -26.69)
CIE-LCH	lch(35.54, 26.82, 264.41°)
OKLab	oklab(44.28% -0.0333 -0.0754)
OKLCH	oklch(44.28% 0.082 246.2)
XYZ	xyz(8.0478, 8.7730, 21.0039)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28577E #7E4F28

analogous

#287E7A #28577E #282C7E

triadic

#28577E #7E2857 #577E28

tetradic

#28577E #7A287E #7E4F28 #2C7E28

square

#28577E #7A287E #7E4F28 #2C7E28

split-complementary

#28577E #7E282C #7E7A28

monochromatic

#0B1721 #193750 #28577E #3777AC #5796CA

Accessibility & contrast

On white

7.62

#28577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#28577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28577E

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28577E	#FFFFFF	#000000	##FFFFFF
##28577E	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465880

Deuteranopia (green-blind)

#3A507D

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28577e;
/* rgb */ color: rgb(40, 87, 126);
/* oklch */ color: oklch(44.3% 0.082 246.2);

Tailwind

colors: {
  custom: {
    50: '#6c86a3',
    500: '#28577e',
    950: '#000000',
  },
}

SCSS

$custom: #28577e;
$custom-light: #6c86a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28577e",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 207.209,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44275,
    "c": 0.08239,
    "h": 246.2
  },
  "luminance": 0.08774
}

Semantic roles & 50–950 ramp

primary

#28577E

secondary

#AF7D53

accent

#8D4DDB

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #28577E

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

Preview Lab → · Contrast checker → · Palette generator →