#284E72#284E72

#284E72 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.075 H 248.9°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX#284E72
RGBrgb(40, 78, 114)
HSLhsl(209, 48%, 30%)
HSVhsv(209, 65%, 45%)
CMYKcmyk(64.9%, 31.6%, 0%, 55.3%)
CIE-LABlab(32.07, -1.30, -24.70)
CIE-LCHlch(32.07, 24.73, 266.99°)
OKLaboklab(41.34% -0.0269 -0.0697)
OKLCHoklch(41.34% 0.075 248.9)
XYZxyz(6.6356, 7.1142, 16.9398)
Luminance0.0712 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284E72 #724C28
analogous
#287271 #284E72 #282972
triadic
#284E72 #72284E #4E7228
tetradic
#284E72 #712872 #724C28 #297228
square
#284E72 #712872 #724C28 #297228
split-complementary
#284E72 #722829 #727128
monochromatic
#081017 #182F45 #284E72 #386D9F #528CC2

Accessibility & contrast

On white

8.67
#284E72 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#284E72 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E72
8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284E72#FFFFFF#000000##FFFFFF
##284E721.008.672.428.67
#FFFFFF8.671.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F4F74
Deuteranopia (green-blind)
#354871
Tritanopia (blue-blind)
#00565B
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #284e72;
/* rgb */ color: rgb(40, 78, 114);
/* oklch */ color: oklch(41.3% 0.075 248.9);
Tailwind
colors: {
  custom: {
    50: '#6a7f9a',
    500: '#284e72',
    950: '#000000',
  },
}
SCSS
$custom: #284e72;
$custom-light: #6a7f9a;
$custom-dark: #000000;
JSON
{
  "hex": "#284e72",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 114
  },
  "hsl": {
    "h": 209.189,
    "s": 48.052,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41336,
    "c": 0.07466,
    "h": 248.9
  },
  "luminance": 0.07115
}

Semantic roles & 50–950 ramp

primary
#284E72
secondary
#A47A52
accent
#9250D8
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0E
muted
#7A7C7E

Preview Lab

Preview with #284E72

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

Preview Lab → · Contrast checker → · Palette generator →

#284E72 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva