#287EAC#287EAC

#287EAC is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.107 H 236.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX#287EAC
RGBrgb(40, 126, 172)
HSLhsl(201, 62%, 42%)
HSVhsv(201, 77%, 67%)
CMYKcmyk(76.7%, 26.7%, 0%, 32.5%)
CIE-LABlab(49.92, -9.32, -31.63)
CIE-LCHlch(49.92, 32.97, 253.57°)
OKLaboklab(56.39% -0.0582 -0.0893)
OKLCHoklch(56.39% 0.107 236.9)
XYZxyz(15.7794, 18.3495, 41.7319)
Luminance0.1835 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#287EAC #AC5628
analogous
#28AC98 #287EAC #283CAC
triadic
#287EAC #AC287E #7EAC28
tetradic
#287EAC #9828AC #AC5628 #3CAC28
square
#287EAC #9828AC #AC5628 #3CAC28
split-complementary
#287EAC #AC283C #AC9828
monochromatic
#113549 #1C5A7A #287EAC #3F9FD2 #71B8DE

Accessibility & contrast

On white

4.50
#287EAC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.67
#287EAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EAC
4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##287EAC#FFFFFF#000000##000000
##287EAC1.004.504.674.67
#FFFFFF4.501.0021.0021.00
#0000004.6721.001.001.00
##0000004.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#687EAE
Deuteranopia (green-blind)
#5671AB
Tritanopia (blue-blind)
#008A8E
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #287eac;
/* rgb */ color: rgb(40, 126, 172);
/* oklch */ color: oklch(56.4% 0.107 236.9);
Tailwind
colors: {
  custom: {
    50: '#76a3c5',
    500: '#287eac',
    950: '#000000',
  },
}
SCSS
$custom: #287eac;
$custom-light: #76a3c5;
$custom-dark: #000000;
JSON
{
  "hex": "#287eac",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 172
  },
  "hsl": {
    "h": 200.909,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56387,
    "c": 0.10656,
    "h": 236.9
  },
  "luminance": 0.18351
}

Semantic roles & 50–950 ramp

primary
#287EAC
secondary
#C58A6B
accent
#7B42E5
background
#F7FAFC
surface
#EEF3F8
border
#C9CDD1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #287EAC

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

Preview Lab → · Contrast checker → · Palette generator →

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