#28708A#28708A

#28708A is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.2% C 0.081 H 225.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#28708A
RGB	rgb(40, 112, 138)
HSL	hsl(196, 55%, 35%)
HSV	hsv(196, 71%, 54%)
CMYK	cmyk(71%, 18.8%, 0%, 45.9%)
CIE-LAB	lab(44.05, -13.31, -20.74)
CIE-LCH	lch(44.05, 24.64, 237.31°)
OKLab	oklab(51.22% -0.0564 -0.058)
OKLCH	oklch(51.22% 0.081 225.8)
XYZ	xyz(11.2548, 13.8732, 26.1245)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28708A #8A4228

analogous

#288A73 #28708A #283F8A

triadic

#28708A #8A2870 #708A28

tetradic

#28708A #73288A #8A4228 #3F8A28

square

#28708A #73288A #8A4228 #3F8A28

split-complementary

#28708A #8A283F #8A7328

monochromatic

#0C232B #1A495B #28708A #3697B9 #5DB1D0

Accessibility & contrast

On white

5.56

#28708A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#28708A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28708A

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28708A	#FFFFFF	#000000	##FFFFFF
##28708A	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626E8B

Deuteranopia (green-blind)

#54648A

Tritanopia (blue-blind)

#007878

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #28708a;
/* rgb */ color: rgb(40, 112, 138);
/* oklch */ color: oklch(51.2% 0.081 225.8);

Tailwind

colors: {
  custom: {
    50: '#6f99ac',
    500: '#28708a',
    950: '#000000',
  },
}

SCSS

$custom: #28708a;
$custom-light: #6f99ac;
$custom-dark: #000000;

JSON

{
  "hex": "#28708a",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 138
  },
  "hsl": {
    "h": 195.918,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.51216,
    "c": 0.08092,
    "h": 225.8
  },
  "luminance": 0.13874
}

Semantic roles & 50–950 ramp

primary

#28708A

secondary

#B57159

accent

#7149DE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #28708A

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

Preview Lab → · Contrast checker → · Palette generator →