#287183#287183

#287183 is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.2% C 0.076 H 217.3°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#287183
RGB	rgb(40, 113, 131)
HSL	hsl(192, 53%, 34%)
HSV	hsv(192, 69%, 51%)
CMYK	cmyk(69.5%, 13.7%, 0%, 48.6%)
CIE-LAB	lab(44.09, -16.26, -16.50)
CIE-LCH	lch(44.09, 23.17, 225.42°)
OKLab	oklab(51.15% -0.0604 -0.046)
OKLCH	oklch(51.15% 0.076 217.3)
XYZ	xyz(10.8752, 13.8989, 23.5779)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287183 #833A28

analogous

#288367 #287183 #284383

triadic

#287183 #832871 #718328

tetradic

#287183 #672883 #833A28 #438328

square

#287183 #672883 #833A28 #438328

split-complementary

#287183 #832843 #836728

monochromatic

#0B2025 #1A4954 #287183 #3699B2 #59B6CC

Accessibility & contrast

On white

5.56

#287183 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#287183 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287183

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287183	#FFFFFF	#000000	##FFFFFF
##287183	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#656E84

Deuteranopia (green-blind)

#586483

Tritanopia (blue-blind)

#007777

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #287183;
/* rgb */ color: rgb(40, 113, 131);
/* oklch */ color: oklch(51.2% 0.076 217.3);

Tailwind

colors: {
  custom: {
    50: '#6e9aa7',
    500: '#287183',
    950: '#000000',
  },
}

SCSS

$custom: #287183;
$custom-light: #6e9aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#287183",
  "rgb": {
    "r": 40,
    "g": 113,
    "b": 131
  },
  "hsl": {
    "h": 191.868,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.51152,
    "c": 0.07587,
    "h": 217.3
  },
  "luminance": 0.139
}

Semantic roles & 50–950 ramp

primary

#287183

secondary

#B16855

accent

#684BDD

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E0F

muted

#7B7E7F

Preview Lab

Preview with #287183

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

Preview Lab → · Contrast checker → · Palette generator →