#283550#283550

#283550 is a dark, muted blue. Relative luminance 0.036; OKLCH L 33.0% C 0.051 H 264.1°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX#283550
RGBrgb(40, 53, 80)
HSLhsl(221, 33%, 24%)
HSVhsv(221, 50%, 31%)
CMYKcmyk(50%, 33.7%, 0%, 68.6%)
CIE-LABlab(22.22, 3.12, -18.18)
CIE-LCHlch(22.22, 18.45, 279.72°)
OKLaboklab(33.05% -0.0052 -0.0509)
OKLCHoklch(33.05% 0.051 264.1)
XYZxyz(3.5957, 3.5763, 8.0887)
Luminance0.0358 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283550 #504328
analogous
#284950 #283550 #2F2850
triadic
#283550 #502835 #355028
tetradic
#283550 #502849 #504328 #28502F
square
#283550 #502849 #504328 #28502F
split-complementary
#283550 #502F28 #495028
monochromatic
#0A0E14 #141A27 #283550 #3C5079 #516BA2

Accessibility & contrast

On white

12.24
#283550 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#283550 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283550
12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283550#FFFFFF#000000##FFFFFF
##2835501.0012.241.7212.24
#FFFFFF12.241.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B3751
Deuteranopia (green-blind)
#27334F
Tritanopia (blue-blind)
#193B3F
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #283550;
/* rgb */ color: rgb(40, 53, 80);
/* oklch */ color: oklch(33.0% 0.051 264.1);
Tailwind
colors: {
  custom: {
    50: '#646c81',
    500: '#283550',
    950: '#000000',
  },
}
SCSS
$custom: #283550;
$custom-light: #646c81;
$custom-dark: #000000;
JSON
{
  "hex": "#283550",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 80
  },
  "hsl": {
    "h": 220.5,
    "s": 33.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33045,
    "c": 0.05122,
    "h": 264.1
  },
  "luminance": 0.03577
}

Semantic roles & 50–950 ramp

primary
#283550
secondary
#837351
accent
#A75EC9
background
#F6F6F7
surface
#EBEBEE
border
#C6C6C9
text
#05060A
muted
#7A7A7C

Preview Lab

Preview with #283550

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

Preview Lab → · Contrast checker → · Palette generator →

#283550 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva