#284D72#284D72

#284D72 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.076 H 250.1°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#284D72
RGBrgb(40, 77, 114)
HSLhsl(210, 48%, 30%)
HSVhsv(210, 65%, 45%)
CMYKcmyk(64.9%, 32.5%, 0%, 55.3%)
CIE-LABlab(31.75, -0.65, -25.20)
CIE-LCHlch(31.75, 25.21, 268.52°)
OKLaboklab(41.08% -0.0257 -0.0711)
OKLCHoklch(41.08% 0.076 250.1)
XYZxyz(6.5651, 6.9732, 16.9163)
Luminance0.0697 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284D72 #724D28
analogous
#287272 #284D72 #282872
triadic
#284D72 #72284D #4D7228
tetradic
#284D72 #722872 #724D28 #287228
square
#284D72 #722872 #724D28 #287228
split-complementary
#284D72 #722828 #727228
monochromatic
#081017 #182E45 #284D72 #386C9F #528AC2

Accessibility & contrast

On white

8.77
#284D72 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#284D72 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D72
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284D72#FFFFFF#000000##FFFFFF
##284D721.008.772.398.77
#FFFFFF8.771.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D4F74
Deuteranopia (green-blind)
#334771
Tritanopia (blue-blind)
#00565A
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #284d72;
/* rgb */ color: rgb(40, 77, 114);
/* oklch */ color: oklch(41.1% 0.076 250.1);
Tailwind
colors: {
  custom: {
    50: '#6a7e9a',
    500: '#284d72',
    950: '#000000',
  },
}
SCSS
$custom: #284d72;
$custom-light: #6a7e9a;
$custom-dark: #000000;
JSON
{
  "hex": "#284d72",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 114
  },
  "hsl": {
    "h": 210,
    "s": 48.052,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41084,
    "c": 0.07562,
    "h": 250.1
  },
  "luminance": 0.06974
}

Semantic roles & 50–950 ramp

primary
#284D72
secondary
#A47B52
accent
#9450D8
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#07090E
muted
#7A7B7E

Preview Lab

Preview with #284D72

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

Preview Lab → · Contrast checker → · Palette generator →

#284D72 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva