#274C66#274C66

#274C66 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.1% C 0.061 H 241.2°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX#274C66
RGBrgb(39, 76, 102)
HSLhsl(205, 45%, 28%)
HSVhsv(205, 62%, 40%)
CMYKcmyk(61.8%, 25.5%, 0%, 60%)
CIE-LABlab(30.78, -4.58, -19.14)
CIE-LCHlch(30.78, 19.68, 256.53°)
OKLaboklab(40.12% -0.0295 -0.0536)
OKLCHoklch(40.12% 0.061 241.2)
XYZxyz(5.8185, 6.5590, 13.5272)
Luminance0.0656 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#274C66 #664127
analogous
#276660 #274C66 #272C66
triadic
#274C66 #66274C #4C6627
tetradic
#274C66 #602766 #664127 #2C6627
square
#274C66 #602766 #664127 #2C6627
split-complementary
#274C66 #66272C #666027
monochromatic
#081016 #162B3A #274C66 #386D92 #4D8DBB

Accessibility & contrast

On white

9.08
#274C66 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.31
#274C66 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C66
9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##274C66#FFFFFF#000000##FFFFFF
##274C661.009.082.319.08
#FFFFFF9.081.0021.001.00
#0000002.3121.001.0021.00
##FFFFFF9.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#404C67
Deuteranopia (green-blind)
#384666
Tritanopia (blue-blind)
#005255
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #274c66;
/* rgb */ color: rgb(39, 76, 102);
/* oklch */ color: oklch(40.1% 0.061 241.2);
Tailwind
colors: {
  custom: {
    50: '#677d91',
    500: '#274c66',
    950: '#000000',
  },
}
SCSS
$custom: #274c66;
$custom-light: #677d91;
$custom-dark: #000000;
JSON
{
  "hex": "#274c66",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 102
  },
  "hsl": {
    "h": 204.762,
    "s": 44.681,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40115,
    "c": 0.0612,
    "h": 241.2
  },
  "luminance": 0.0656
}

Semantic roles & 50–950 ramp

primary
#274C66
secondary
#996E50
accent
#8953D4
background
#F6F7F8
surface
#EBEEF0
border
#C6C9CB
text
#06090D
muted
#7A7B7D

Preview Lab

Preview with #274C66

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

Preview Lab → · Contrast checker → · Palette generator →

#274C66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva