#284B72#284B72

#284B72 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.6% C 0.078 H 252.5°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#284B72
RGBrgb(40, 75, 114)
HSLhsl(212, 48%, 30%)
HSVhsv(212, 65%, 45%)
CMYKcmyk(64.9%, 34.2%, 0%, 55.3%)
CIE-LABlab(31.11, 0.65, -26.20)
CIE-LCHlch(31.11, 26.21, 271.42°)
OKLaboklab(40.58% -0.0233 -0.0741)
OKLCHoklch(40.58% 0.078 252.5)
XYZxyz(6.4273, 6.6976, 16.8704)
Luminance0.0670 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#284B72 #724F28
analogous
#287072 #284B72 #2A2872
triadic
#284B72 #72284B #4B7228
tetradic
#284B72 #722870 #724F28 #28722A
square
#284B72 #722870 #724F28 #28722A
split-complementary
#284B72 #722A28 #707228
monochromatic
#080F17 #182D45 #284B72 #38699F #5287C2

Accessibility & contrast

On white

8.98
#284B72 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#284B72 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B72
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##284B72#FFFFFF#000000##FFFFFF
##284B721.008.982.348.98
#FFFFFF8.981.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A4D74
Deuteranopia (green-blind)
#304671
Tritanopia (blue-blind)
#005459
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #284b72;
/* rgb */ color: rgb(40, 75, 114);
/* oklch */ color: oklch(40.6% 0.078 252.5);
Tailwind
colors: {
  custom: {
    50: '#6a7d9b',
    500: '#284b72',
    950: '#000000',
  },
}
SCSS
$custom: #284b72;
$custom-light: #6a7d9b;
$custom-dark: #000000;
JSON
{
  "hex": "#284b72",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 114
  },
  "hsl": {
    "h": 211.622,
    "s": 48.052,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40584,
    "c": 0.07764,
    "h": 252.5
  },
  "luminance": 0.06698
}

Semantic roles & 50–950 ramp

primary
#284B72
secondary
#A47D52
accent
#9850D8
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#07090E
muted
#7A7B7E

Preview Lab

Preview with #284B72

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

Preview Lab → · Contrast checker → · Palette generator →

#284B72 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva