#28708C#28708C

#28708C is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.3% C 0.083 H 227.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#28708C
RGB	rgb(40, 112, 140)
HSL	hsl(197, 56%, 35%)
HSV	hsv(197, 71%, 55%)
CMYK	cmyk(71.4%, 20%, 0%, 45.1%)
CIE-LAB	lab(44.13, -12.61, -21.81)
CIE-LCH	lch(44.13, 25.19, 239.95°)
OKLab	oklab(51.31% -0.0556 -0.0611)
OKLCH	oklch(51.31% 0.083 227.7)
XYZ	xyz(11.4010, 13.9316, 26.8941)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28708C #8C4428

analogous

#288C76 #28708C #283E8C

triadic

#28708C #8C2870 #708C28

tetradic

#28708C #76288C #8C4428 #3E8C28

square

#28708C #76288C #8C4428 #3E8C28

split-complementary

#28708C #8C283E #8C7628

monochromatic

#0D242D #1A4A5C #28708C #3696BC #5EB1D1

Accessibility & contrast

On white

5.55

#28708C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#28708C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28708C

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28708C	#FFFFFF	#000000	##FFFFFF
##28708C	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616E8D

Deuteranopia (green-blind)

#53648C

Tritanopia (blue-blind)

#007879

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #28708c;
/* rgb */ color: rgb(40, 112, 140);
/* oklch */ color: oklch(51.3% 0.083 227.7);

Tailwind

colors: {
  custom: {
    50: '#6f99ad',
    500: '#28708c',
    950: '#000000',
  },
}

SCSS

$custom: #28708c;
$custom-light: #6f99ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28708c",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 140
  },
  "hsl": {
    "h": 196.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.51311,
    "c": 0.08259,
    "h": 227.7
  },
  "luminance": 0.13933
}

Semantic roles & 50–950 ramp

primary

#28708C

secondary

#B6745A

accent

#7349DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #28708C

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

Preview Lab → · Contrast checker → · Palette generator →