#287D90#287D90

#287D90 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.8% C 0.084 H 215.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#287D90
RGB	rgb(40, 125, 144)
HSL	hsl(191, 57%, 36%)
HSV	hsv(191, 72%, 56%)
CMYK	cmyk(72.2%, 13.2%, 0%, 43.5%)
CIE-LAB	lab(48.42, -18.49, -17.59)
CIE-LCH	lch(48.42, 25.52, 223.56°)
OKLab	oklab(54.8% -0.0679 -0.049)
OKLCH	oklch(54.8% 0.084 215.8)
XYZ	xyz(13.2406, 17.1304, 28.9888)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287D90 #903B28

analogous

#28906F #287D90 #284990

triadic

#287D90 #90287D #7D9028

tetradic

#287D90 #6F2890 #903B28 #499028

square

#287D90 #6F2890 #903B28 #499028

split-complementary

#287D90 #902849 #906F28

monochromatic

#0D2A30 #1B5360 #287D90 #35A7C0 #60BED3

Accessibility & contrast

On white

4.74

#287D90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#287D90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287D90

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287D90	#FFFFFF	#000000	##FFFFFF
##287D90	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707991

Deuteranopia (green-blind)

#616E90

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287d90;
/* rgb */ color: rgb(40, 125, 144);
/* oklch */ color: oklch(54.8% 0.084 215.8);

Tailwind

colors: {
  custom: {
    50: '#71a2b0',
    500: '#287d90',
    950: '#000000',
  },
}

SCSS

$custom: #287d90;
$custom-light: #71a2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#287d90",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 144
  },
  "hsl": {
    "h": 190.962,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54803,
    "c": 0.08372,
    "h": 215.8
  },
  "luminance": 0.17132
}

Semantic roles & 50–950 ramp

primary

#287D90

secondary

#B86C5C

accent

#6448E0

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #287D90

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

Preview Lab → · Contrast checker → · Palette generator →