#284E70#284E70

#284E70 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.072 H 247.5°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX#284E70
RGBrgb(40, 78, 112)
HSLhsl(208, 47%, 30%)
HSVhsv(208, 64%, 44%)
CMYKcmyk(64.3%, 30.4%, 0%, 56.1%)
CIE-LABlab(31.96, -2.03, -23.60)
CIE-LCHlch(31.96, 23.69, 265.08°)
OKLaboklab(41.22% -0.0275 -0.0665)
OKLCHoklch(41.22% 0.072 247.5)
XYZxyz(6.5230, 7.0691, 16.3468)
Luminance0.0707 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284E70 #704A28
analogous
#28706E #284E70 #282A70
triadic
#284E70 #70284E #4E7028
tetradic
#284E70 #6E2870 #704A28 #2A7028
square
#284E70 #6E2870 #704A28 #2A7028
split-complementary
#284E70 #70282A #706E28
monochromatic
#081017 #182F43 #284E70 #386D9D #518CC1

Accessibility & contrast

On white

8.70
#284E70 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#284E70 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E70
8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284E70#FFFFFF#000000##FFFFFF
##284E701.008.702.418.70
#FFFFFF8.701.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F4F72
Deuteranopia (green-blind)
#36486F
Tritanopia (blue-blind)
#00565A
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #284e70;
/* rgb */ color: rgb(40, 78, 112);
/* oklch */ color: oklch(41.2% 0.072 247.5);
Tailwind
colors: {
  custom: {
    50: '#697f99',
    500: '#284e70',
    950: '#000000',
  },
}
SCSS
$custom: #284e70;
$custom-light: #697f99;
$custom-dark: #000000;
JSON
{
  "hex": "#284e70",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 112
  },
  "hsl": {
    "h": 208.333,
    "s": 47.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41222,
    "c": 0.07195,
    "h": 247.5
  },
  "luminance": 0.0707
}

Semantic roles & 50–950 ramp

primary
#284E70
secondary
#A27851
accent
#9051D7
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0E
muted
#7A7C7E

Preview Lab

Preview with #284E70

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

Preview Lab → · Contrast checker → · Palette generator →

#284E70 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva