#28708F#28708F

#28708F is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.5% C 0.085 H 230.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#28708F
RGB	rgb(40, 112, 143)
HSL	hsl(198, 56%, 36%)
HSV	hsv(198, 72%, 56%)
CMYK	cmyk(72%, 21.7%, 0%, 43.9%)
CIE-LAB	lab(44.26, -11.56, -23.39)
CIE-LCH	lch(44.26, 26.10, 243.70°)
OKLab	oklab(51.46% -0.0544 -0.0656)
OKLCH	oklch(51.46% 0.085 230.3)
XYZ	xyz(11.6252, 14.0213, 28.0750)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28708F #8F4728

analogous

#288F7A #28708F #283C8F

triadic

#28708F #8F2870 #708F28

tetradic

#28708F #7A288F #8F4728 #3C8F28

square

#28708F #7A288F #8F4728 #3C8F28

split-complementary

#28708F #8F283C #8F7A28

monochromatic

#0D252F #1B4B5F #28708F #3595BF #5FB0D2

Accessibility & contrast

On white

5.52

#28708F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#28708F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28708F

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28708F	#FFFFFF	#000000	##FFFFFF
##28708F	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606E91

Deuteranopia (green-blind)

#52648F

Tritanopia (blue-blind)

#00797A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #28708f;
/* rgb */ color: rgb(40, 112, 143);
/* oklch */ color: oklch(51.5% 0.085 230.3);

Tailwind

colors: {
  custom: {
    50: '#7099b0',
    500: '#28708f',
    950: '#000000',
  },
}

SCSS

$custom: #28708f;
$custom-light: #7099b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28708f",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 143
  },
  "hsl": {
    "h": 198.058,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.51456,
    "c": 0.08527,
    "h": 230.3
  },
  "luminance": 0.14023
}

Semantic roles & 50–950 ramp

primary

#28708F

secondary

#B8775B

accent

#7648E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #28708F

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

Preview Lab → · Contrast checker → · Palette generator →