#287E90#287E90

#287E90 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.1% C 0.084 H 214.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#287E90
RGB	rgb(40, 126, 144)
HSL	hsl(190, 57%, 36%)
HSV	hsv(190, 72%, 56%)
CMYK	cmyk(72.2%, 12.5%, 0%, 43.5%)
CIE-LAB	lab(48.74, -19.04, -17.10)
CIE-LCH	lch(48.74, 25.59, 221.94°)
OKLab	oklab(55.06% -0.0689 -0.0476)
OKLCH	oklch(55.06% 0.084 214.6)
XYZ	xyz(13.3678, 17.3849, 29.0312)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287E90 #903A28

analogous

#28906E #287E90 #284A90

triadic

#287E90 #90287E #7E9028

tetradic

#287E90 #6E2890 #903A28 #4A9028

square

#287E90 #6E2890 #903A28 #4A9028

split-complementary

#287E90 #90284A #906E28

monochromatic

#0D2A30 #1B5460 #287E90 #35A8C0 #60BFD3

Accessibility & contrast

On white

4.69

#287E90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#287E90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287E90

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287E90	#FFFFFF	#000000	##FFFFFF
##287E90	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717A91

Deuteranopia (green-blind)

#636F90

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287e90;
/* rgb */ color: rgb(40, 126, 144);
/* oklch */ color: oklch(55.1% 0.084 214.6);

Tailwind

colors: {
  custom: {
    50: '#71a3b0',
    500: '#287e90',
    950: '#000000',
  },
}

SCSS

$custom: #287e90;
$custom-light: #71a3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#287e90",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 144
  },
  "hsl": {
    "h": 190.385,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55059,
    "c": 0.08379,
    "h": 214.6
  },
  "luminance": 0.17386
}

Semantic roles & 50–950 ramp

primary

#287E90

secondary

#B86C5C

accent

#6248E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #287E90

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

Preview Lab → · Contrast checker → · Palette generator →