#284D75#284D75

#284D75 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.3% C 0.080 H 251.9°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX#284D75
RGBrgb(40, 77, 117)
HSLhsl(211, 49%, 31%)
HSVhsv(211, 66%, 46%)
CMYKcmyk(65.8%, 34.2%, 0%, 54.1%)
CIE-LABlab(31.90, 0.46, -26.83)
CIE-LCHlch(31.90, 26.83, 270.98°)
OKLaboklab(41.26% -0.0247 -0.0759)
OKLCHoklch(41.26% 0.08 251.9)
XYZxyz(6.7387, 7.0426, 17.8304)
Luminance0.0704 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284D75 #755028
analogous
#287375 #284D75 #292875
triadic
#284D75 #75284D #4D7528
tetradic
#284D75 #752873 #755028 #287529
square
#284D75 #752873 #755028 #287529
split-complementary
#284D75 #752928 #737528
monochromatic
#09111A #182F47 #284D75 #386BA3 #5389C4

Accessibility & contrast

On white

8.72
#284D75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#284D75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D75
8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284D75#FFFFFF#000000##FFFFFF
##284D751.008.722.418.72
#FFFFFF8.721.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C4F77
Deuteranopia (green-blind)
#314874
Tritanopia (blue-blind)
#00565B
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #284d75;
/* rgb */ color: rgb(40, 77, 117);
/* oklch */ color: oklch(41.3% 0.080 251.9);
Tailwind
colors: {
  custom: {
    50: '#6a7e9d',
    500: '#284d75',
    950: '#000000',
  },
}
SCSS
$custom: #284d75;
$custom-light: #6a7e9d;
$custom-dark: #000000;
JSON
{
  "hex": "#284d75",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 117
  },
  "hsl": {
    "h": 211.169,
    "s": 49.045,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4126,
    "c": 0.0798,
    "h": 251.9
  },
  "luminance": 0.07043
}

Semantic roles & 50–950 ramp

primary
#284D75
secondary
#A77E52
accent
#974FD9
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#07090E
muted
#7A7B7E

Preview Lab

Preview with #284D75

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

Preview Lab → · Contrast checker → · Palette generator →

#284D75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva