#287E83#287E83

#287E83 is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.5% C 0.080 H 200.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#287E83
RGBrgb(40, 126, 131)
HSLhsl(183, 53%, 34%)
HSVhsv(183, 69%, 51%)
CMYKcmyk(69.5%, 3.8%, 0%, 48.6%)
CIE-LABlab(48.27, -23.24, -10.16)
CIE-LCHlch(48.27, 25.36, 203.61°)
OKLaboklab(54.53% -0.0747 -0.0282)
OKLCHoklch(54.53% 0.08 200.7)
XYZxyz(12.4309, 17.0101, 24.0965)
Luminance0.1701 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#287E83 #832D28
analogous
#28835A #287E83 #285083
triadic
#287E83 #83287E #7E8328
tetradic
#287E83 #5A2883 #832D28 #508328
square
#287E83 #5A2883 #832D28 #508328
split-complementary
#287E83 #832850 #835A28
monochromatic
#0B2425 #1A5154 #287E83 #36ABB2 #59C6CC

Accessibility & contrast

On white

4.77
#287E83 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.40
#287E83 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287E83
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##287E83#FFFFFF#000000##FFFFFF
##287E831.004.774.404.77
#FFFFFF4.771.0021.001.00
#0000004.4021.001.0021.00
##FFFFFF4.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#757883
Deuteranopia (green-blind)
#676E83
Tritanopia (blue-blind)
#00837F
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #287e83;
/* rgb */ color: rgb(40, 126, 131);
/* oklch */ color: oklch(54.5% 0.080 200.7);
Tailwind
colors: {
  custom: {
    50: '#70a3a7',
    500: '#287e83',
    950: '#000000',
  },
}
SCSS
$custom: #287e83;
$custom-light: #70a3a7;
$custom-dark: #000000;
JSON
{
  "hex": "#287e83",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 131
  },
  "hsl": {
    "h": 183.297,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.54525,
    "c": 0.0798,
    "h": 200.7
  },
  "luminance": 0.17012
}

Semantic roles & 50–950 ramp

primary
#287E83
secondary
#B15A55
accent
#534BDD
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F0F
muted
#7B7F7F

Preview Lab

Preview with #287E83

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

Preview Lab → · Contrast checker → · Palette generator →

#287E83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva