#287DA6#287DA6

#287DA6 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.101 H 234.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#287DA6
RGBrgb(40, 125, 166)
HSLhsl(200, 61%, 40%)
HSVhsv(200, 76%, 65%)
CMYKcmyk(75.9%, 24.7%, 0%, 34.9%)
CIE-LABlab(49.34, -10.89, -29.05)
CIE-LCHlch(49.34, 31.02, 249.44°)
OKLaboklab(55.84% -0.0593 -0.0818)
OKLCHoklch(55.84% 0.101 234.1)
XYZxyz(15.0889, 17.8697, 38.7230)
Luminance0.1787 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#287DA6 #A65128
analogous
#28A690 #287DA6 #283EA6
triadic
#287DA6 #A6287D #7DA628
tetradic
#287DA6 #9028A6 #A65128 #3EA628
square
#287DA6 #9028A6 #A65128 #3EA628
split-complementary
#287DA6 #A6283E #A69028
monochromatic
#103343 #1C5875 #287DA6 #3BA0D0 #6DB8DC

Accessibility & contrast

On white

4.59
#287DA6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.57
#287DA6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287DA6
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##287DA6#FFFFFF#000000##FFFFFF
##287DA61.004.594.574.59
#FFFFFF4.591.0021.001.00
#0000004.5721.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#697CA8
Deuteranopia (green-blind)
#5870A5
Tritanopia (blue-blind)
#00888B
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #287da6;
/* rgb */ color: rgb(40, 125, 166);
/* oklch */ color: oklch(55.8% 0.101 234.1);
Tailwind
colors: {
  custom: {
    50: '#74a2c0',
    500: '#287da6',
    950: '#000000',
  },
}
SCSS
$custom: #287da6;
$custom-light: #74a2c0;
$custom-dark: #000000;
JSON
{
  "hex": "#287da6",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 166
  },
  "hsl": {
    "h": 199.524,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55837,
    "c": 0.10105,
    "h": 234.1
  },
  "luminance": 0.17872
}

Semantic roles & 50–950 ramp

primary
#287DA6
secondary
#C28567
accent
#7844E4
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090F12
muted
#7B7E81

Preview Lab

Preview with #287DA6

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

Preview Lab → · Contrast checker → · Palette generator →

#287DA6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva