#28708D#28708D

#28708D is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.4% C 0.083 H 228.6°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#28708D
RGB	rgb(40, 112, 141)
HSL	hsl(197, 56%, 35%)
HSV	hsv(197, 72%, 55%)
CMYK	cmyk(71.6%, 20.6%, 0%, 44.7%)
CIE-LAB	lab(44.18, -12.27, -22.34)
CIE-LCH	lch(44.18, 25.48, 241.23°)
OKLab	oklab(51.36% -0.0552 -0.0626)
OKLCH	oklch(51.36% 0.083 228.6)
XYZ	xyz(11.4750, 13.9613, 27.2842)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28708D #8D4528

analogous

#288D77 #28708D #283D8D

triadic

#28708D #8D2870 #708D28

tetradic

#28708D #77288D #8D4528 #3D8D28

square

#28708D #77288D #8D4528 #3D8D28

split-complementary

#28708D #8D283D #8D7728

monochromatic

#0D242E #1A4A5D #28708D #3696BD #5EB0D1

Accessibility & contrast

On white

5.54

#28708D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#28708D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28708D

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28708D	#FFFFFF	#000000	##FFFFFF
##28708D	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616E8E

Deuteranopia (green-blind)

#53648D

Tritanopia (blue-blind)

#00787A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #28708d;
/* rgb */ color: rgb(40, 112, 141);
/* oklch */ color: oklch(51.4% 0.083 228.6);

Tailwind

colors: {
  custom: {
    50: '#7099ae',
    500: '#28708d',
    950: '#000000',
  },
}

SCSS

$custom: #28708d;
$custom-light: #7099ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28708d",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 141
  },
  "hsl": {
    "h": 197.228,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.51359,
    "c": 0.08346,
    "h": 228.6
  },
  "luminance": 0.13963
}

Semantic roles & 50–950 ramp

primary

#28708D

secondary

#B7755A

accent

#7449DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #28708D

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

Preview Lab → · Contrast checker → · Palette generator →