#287188#287188

#287188 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.4% C 0.079 H 222.6°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#287188
RGB	rgb(40, 113, 136)
HSL	hsl(194, 55%, 35%)
HSV	hsv(194, 71%, 53%)
CMYK	cmyk(70.6%, 16.9%, 0%, 46.7%)
CIE-LAB	lab(44.29, -14.56, -19.18)
CIE-LCH	lch(44.29, 24.09, 232.79°)
OKLab	oklab(51.38% -0.0583 -0.0536)
OKLCH	oklch(51.38% 0.079 222.6)
XYZ	xyz(11.2223, 14.0377, 25.4059)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287188 #883F28

analogous

#28886F #287188 #284188

triadic

#287188 #882871 #718828

tetradic

#287188 #6F2888 #883F28 #418828

square

#287188 #6F2888 #883F28 #418828

split-complementary

#287188 #882841 #886F28

monochromatic

#0C2229 #1A4A59 #287188 #3698B7 #5BB3CF

Accessibility & contrast

On white

5.51

#287188 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#287188 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287188

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287188	#FFFFFF	#000000	##FFFFFF
##287188	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646E89

Deuteranopia (green-blind)

#566488

Tritanopia (blue-blind)

#007878

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #287188;
/* rgb */ color: rgb(40, 113, 136);
/* oklch */ color: oklch(51.4% 0.079 222.6);

Tailwind

colors: {
  custom: {
    50: '#6f9aaa',
    500: '#287188',
    950: '#000000',
  },
}

SCSS

$custom: #287188;
$custom-light: #6f9aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#287188",
  "rgb": {
    "r": 40,
    "g": 113,
    "b": 136
  },
  "hsl": {
    "h": 194.375,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.51378,
    "c": 0.07917,
    "h": 222.6
  },
  "luminance": 0.14039
}

Semantic roles & 50–950 ramp

primary

#287188

secondary

#B46E58

accent

#6D4ADE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #287188

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

Preview Lab → · Contrast checker → · Palette generator →