#284B68#284B68

#284B68 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.0% C 0.064 H 245.3°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#284B68
RGBrgb(40, 75, 104)
HSLhsl(207, 44%, 28%)
HSVhsv(207, 62%, 41%)
CMYKcmyk(61.5%, 27.9%, 0%, 59.2%)
CIE-LABlab(30.60, -3.00, -20.69)
CIE-LCHlch(30.60, 20.90, 261.74°)
OKLaboklab(40.02% -0.0267 -0.0581)
OKLCHoklch(40.02% 0.064 245.3)
XYZxyz(5.8889, 6.4822, 14.0349)
Luminance0.0648 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284B68 #684528
analogous
#286865 #284B68 #282B68
triadic
#284B68 #68284B #4B6828
tetradic
#284B68 #652868 #684528 #2B6828
square
#284B68 #652868 #684528 #2B6828
split-complementary
#284B68 #68282B #686528
monochromatic
#091016 #172B3C #284B68 #396B94 #4F8ABB

Accessibility & contrast

On white

9.14
#284B68 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#284B68 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B68
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284B68#FFFFFF#000000##FFFFFF
##284B681.009.142.309.14
#FFFFFF9.141.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E4C69
Deuteranopia (green-blind)
#364567
Tritanopia (blue-blind)
#005255
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #284b68;
/* rgb */ color: rgb(40, 75, 104);
/* oklch */ color: oklch(40.0% 0.064 245.3);
Tailwind
colors: {
  custom: {
    50: '#687d93',
    500: '#284b68',
    950: '#000000',
  },
}
SCSS
$custom: #284b68;
$custom-light: #687d93;
$custom-dark: #000000;
JSON
{
  "hex": "#284b68",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 104
  },
  "hsl": {
    "h": 207.188,
    "s": 44.444,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40015,
    "c": 0.06391,
    "h": 245.3
  },
  "luminance": 0.06483
}

Semantic roles & 50–950 ramp

primary
#284B68
secondary
#9B7251
accent
#8E54D4
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #284B68

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

Preview Lab → · Contrast checker → · Palette generator →

#284B68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva