#284F68#284F68

#284F68 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.061 H 238.8°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX#284F68
RGBrgb(40, 79, 104)
HSLhsl(203, 44%, 28%)
HSVhsv(203, 62%, 41%)
CMYKcmyk(61.5%, 24%, 0%, 59.2%)
CIE-LABlab(31.90, -5.54, -18.66)
CIE-LCHlch(31.90, 19.47, 253.47°)
OKLaboklab(41.05% -0.0316 -0.0522)
OKLCHoklch(41.05% 0.061 238.8)
XYZxyz(6.1688, 7.0420, 14.1282)
Luminance0.0704 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284F68 #684128
analogous
#286861 #284F68 #282F68
triadic
#284F68 #68284F #4F6828
tetradic
#284F68 #612868 #684128 #2F6828
square
#284F68 #612868 #684128 #2F6828
split-complementary
#284F68 #68282F #686128
monochromatic
#091116 #172D3C #284F68 #397194 #4F91BB

Accessibility & contrast

On white

8.72
#284F68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#284F68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F68
8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284F68#FFFFFF#000000##FFFFFF
##284F681.008.722.418.72
#FFFFFF8.721.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#444F69
Deuteranopia (green-blind)
#3B4868
Tritanopia (blue-blind)
#005557
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #284f68;
/* rgb */ color: rgb(40, 79, 104);
/* oklch */ color: oklch(41.0% 0.061 238.8);
Tailwind
colors: {
  custom: {
    50: '#688093',
    500: '#284f68',
    950: '#000000',
  },
}
SCSS
$custom: #284f68;
$custom-light: #688093;
$custom-dark: #000000;
JSON
{
  "hex": "#284f68",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 104
  },
  "hsl": {
    "h": 203.438,
    "s": 44.444,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41047,
    "c": 0.06107,
    "h": 238.8
  },
  "luminance": 0.07043
}

Semantic roles & 50–950 ramp

primary
#284F68
secondary
#9B6E51
accent
#8654D4
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #284F68

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

Preview Lab → · Contrast checker → · Palette generator →

#284F68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva