#3A5366#3A5366

#3A5366 is a dark, muted cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.044 H 241.8°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX#3A5366
RGBrgb(58, 83, 102)
HSLhsl(206, 28%, 31%)
HSVhsv(206, 43%, 40%)
CMYKcmyk(43.1%, 18.6%, 0%, 60%)
CIE-LABlab(34.08, -3.94, -13.98)
CIE-LCHlch(34.08, 14.52, 254.27°)
OKLaboklab(43% -0.0207 -0.0386)
OKLCHoklch(43% 0.044 241.8)
XYZxyz(7.2357, 8.0449, 13.7394)
Luminance0.0804 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A5366 #664D3A
analogous
#3A6663 #3A5366 #3A3D66
triadic
#3A5366 #663A53 #53663A
tetradic
#3A5366 #633A66 #664D3A #3D663A
square
#3A5366 #633A66 #664D3A #3D663A
split-complementary
#3A5366 #663A3D #66633A
monochromatic
#0E1418 #24333F #3A5366 #50738D #6E91AC

Accessibility & contrast

On white

8.05
#3A5366 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#3A5366 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A5366
8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A5366#FFFFFF#000000##FFFFFF
##3A53661.008.052.618.05
#FFFFFF8.051.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B5367
Deuteranopia (green-blind)
#454E66
Tritanopia (blue-blind)
#2A5859
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3a5366;
/* rgb */ color: rgb(58, 83, 102);
/* oklch */ color: oklch(43.0% 0.044 241.8);
Tailwind
colors: {
  custom: {
    50: '#728391',
    500: '#3a5366',
    950: '#000000',
  },
}
SCSS
$custom: #3a5366;
$custom-light: #728391;
$custom-dark: #000000;
JSON
{
  "hex": "#3a5366",
  "rgb": {
    "r": 58,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 205.909,
    "s": 27.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.43,
    "c": 0.04385,
    "h": 241.8
  },
  "luminance": 0.08045
}

Semantic roles & 50–950 ramp

primary
#3A5366
secondary
#967B66
accent
#8D64C4
background
#F7F8F8
surface
#EDEFF0
border
#C8CACB
text
#080A0C
muted
#7B7C7D

Preview Lab

Preview with #3A5366

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

Preview Lab → · Contrast checker → · Palette generator →

#3A5366 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva