#28718B#28718B

#28718B is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.5% C 0.081 H 225.5°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#28718B
RGB	rgb(40, 113, 139)
HSL	hsl(196, 55%, 35%)
HSV	hsv(196, 71%, 55%)
CMYK	cmyk(71.2%, 18.7%, 0%, 45.5%)
CIE-LAB	lab(44.41, -13.53, -20.78)
CIE-LCH	lch(44.41, 24.80, 236.93°)
OKLab	oklab(51.52% -0.0571 -0.0581)
OKLCH	oklch(51.52% 0.081 225.5)
XYZ	xyz(11.4385, 14.1242, 26.5445)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28718B #8B4228

analogous

#288B74 #28718B #283F8B

triadic

#28718B #8B2871 #718B28

tetradic

#28718B #74288B #8B4228 #3F8B28

square

#28718B #74288B #8B4228 #3F8B28

split-complementary

#28718B #8B283F #8B7428

monochromatic

#0D242C #1A4A5B #28718B #3698BB #5DB2D0

Accessibility & contrast

On white

5.49

#28718B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#28718B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28718B

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28718B	#FFFFFF	#000000	##FFFFFF
##28718B	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636F8C

Deuteranopia (green-blind)

#55658B

Tritanopia (blue-blind)

#007979

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #28718b;
/* rgb */ color: rgb(40, 113, 139);
/* oklch */ color: oklch(51.5% 0.081 225.5);

Tailwind

colors: {
  custom: {
    50: '#6f99ad',
    500: '#28718b',
    950: '#000000',
  },
}

SCSS

$custom: #28718b;
$custom-light: #6f99ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28718b",
  "rgb": {
    "r": 40,
    "g": 113,
    "b": 139
  },
  "hsl": {
    "h": 195.758,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.51517,
    "c": 0.08148,
    "h": 225.5
  },
  "luminance": 0.14125
}

Semantic roles & 50–950 ramp

primary

#28718B

secondary

#B67159

accent

#7049DF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #28718B

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

Preview Lab → · Contrast checker → · Palette generator →