#284B67#284B67

#284B67 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.0% C 0.063 H 244.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX#284B67
RGBrgb(40, 75, 103)
HSLhsl(207, 44%, 28%)
HSVhsv(207, 61%, 40%)
CMYKcmyk(61.2%, 27.2%, 0%, 59.6%)
CIE-LABlab(30.55, -3.36, -20.13)
CIE-LCHlch(30.55, 20.41, 260.52°)
OKLaboklab(39.96% -0.027 -0.0565)
OKLCHoklch(39.96% 0.063 244.4)
XYZxyz(5.8384, 6.4620, 13.7690)
Luminance0.0646 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284B67 #674428
analogous
#286763 #284B67 #282B67
triadic
#284B67 #67284B #4B6728
tetradic
#284B67 #632867 #674428 #2B6728
square
#284B67 #632867 #674428 #2B6728
split-complementary
#284B67 #67282B #676328
monochromatic
#091016 #172B3B #284B67 #396B93 #4F8BBB

Accessibility & contrast

On white

9.16
#284B67 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.29
#284B67 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B67
9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284B67#FFFFFF#000000##FFFFFF
##284B671.009.162.299.16
#FFFFFF9.161.0021.001.00
#0000002.2921.001.0021.00
##FFFFFF9.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F4B68
Deuteranopia (green-blind)
#364566
Tritanopia (blue-blind)
#005255
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #284b67;
/* rgb */ color: rgb(40, 75, 103);
/* oklch */ color: oklch(40.0% 0.063 244.4);
Tailwind
colors: {
  custom: {
    50: '#687d92',
    500: '#284b67',
    950: '#000000',
  },
}
SCSS
$custom: #284b67;
$custom-light: #687d92;
$custom-dark: #000000;
JSON
{
  "hex": "#284b67",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 103
  },
  "hsl": {
    "h": 206.667,
    "s": 44.056,
    "l": 28.039
  },
  "oklch": {
    "l": 0.39961,
    "c": 0.0626,
    "h": 244.4
  },
  "luminance": 0.06463
}

Semantic roles & 50–950 ramp

primary
#284B67
secondary
#9A7151
accent
#8D54D4
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #284B67

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

Preview Lab → · Contrast checker → · Palette generator →

#284B67 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva