#374F65#374F65

#374F65 is a dark, muted cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.047 H 246.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX#374F65
RGBrgb(55, 79, 101)
HSLhsl(209, 29%, 31%)
HSVhsv(209, 46%, 40%)
CMYKcmyk(45.5%, 21.8%, 0%, 60.4%)
CIE-LABlab(32.58, -2.63, -15.66)
CIE-LCHlch(32.58, 15.88, 260.46°)
OKLaboklab(41.75% -0.0186 -0.0434)
OKLCHoklch(41.75% 0.047 246.8)
XYZxyz(6.7197, 7.3434, 13.3727)
Luminance0.0734 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#374F65 #654D37
analogous
#376564 #374F65 #373865
triadic
#374F65 #65374F #4F6537
tetradic
#374F65 #643765 #654D37 #386537
square
#374F65 #643765 #654D37 #386537
split-complementary
#374F65 #653738 #656437
monochromatic
#0C1116 #21303D #374F65 #4D6E8D #698DAD

Accessibility & contrast

On white

8.51
#374F65 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#374F65 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F65
8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##374F65#FFFFFF#000000##FFFFFF
##374F651.008.512.478.51
#FFFFFF8.511.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#464F66
Deuteranopia (green-blind)
#404B65
Tritanopia (blue-blind)
#255456
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #374f65;
/* rgb */ color: rgb(55, 79, 101);
/* oklch */ color: oklch(41.8% 0.047 246.8);
Tailwind
colors: {
  custom: {
    50: '#708091',
    500: '#374f65',
    950: '#000000',
  },
}
SCSS
$custom: #374f65;
$custom-light: #708091;
$custom-dark: #000000;
JSON
{
  "hex": "#374f65",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 101
  },
  "hsl": {
    "h": 208.696,
    "s": 29.487,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41753,
    "c": 0.04726,
    "h": 246.8
  },
  "luminance": 0.07344
}

Semantic roles & 50–950 ramp

primary
#374F65
secondary
#957B62
accent
#9262C6
background
#F6F7F8
surface
#ECEEF0
border
#C7C9CB
text
#080A0C
muted
#7B7C7D

Preview Lab

Preview with #374F65

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

Preview Lab → · Contrast checker → · Palette generator →

#374F65 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva