#284A69#284A69

#284A69 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.8% C 0.066 H 247.7°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX#284A69
RGBrgb(40, 74, 105)
HSLhsl(209, 45%, 28%)
HSVhsv(209, 62%, 41%)
CMYKcmyk(61.9%, 29.5%, 0%, 58.8%)
CIE-LABlab(30.32, -2.00, -21.75)
CIE-LCHlch(30.32, 21.84, 264.75°)
OKLaboklab(39.82% -0.0251 -0.0612)
OKLCHoklch(39.82% 0.066 247.7)
XYZxyz(5.8727, 6.3681, 14.2815)
Luminance0.0637 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284A69 #694728
analogous
#286967 #284A69 #282969
triadic
#284A69 #69284A #4A6928
tetradic
#284A69 #672869 #694728 #296928
square
#284A69 #672869 #694728 #296928
split-complementary
#284A69 #692829 #696728
monochromatic
#081016 #172B3D #284A69 #396995 #4F88BC

Accessibility & contrast

On white

9.24
#284A69 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#284A69 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A69
9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284A69#FFFFFF#000000##FFFFFF
##284A691.009.242.279.24
#FFFFFF9.241.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D4B6A
Deuteranopia (green-blind)
#344568
Tritanopia (blue-blind)
#005155
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #284a69;
/* rgb */ color: rgb(40, 74, 105);
/* oklch */ color: oklch(39.8% 0.066 247.7);
Tailwind
colors: {
  custom: {
    50: '#687c94',
    500: '#284a69',
    950: '#000000',
  },
}
SCSS
$custom: #284a69;
$custom-light: #687c94;
$custom-dark: #000000;
JSON
{
  "hex": "#284a69",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 105
  },
  "hsl": {
    "h": 208.615,
    "s": 44.828,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39815,
    "c": 0.0661,
    "h": 247.7
  },
  "luminance": 0.06369
}

Semantic roles & 50–950 ramp

primary
#284A69
secondary
#9C7551
accent
#9153D5
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#06090D
muted
#7A7B7E

Preview Lab

Preview with #284A69

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

Preview Lab → · Contrast checker → · Palette generator →

#284A69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva