#274D5B#274D5B

#274D5B is a dark, muted cyan. Relative luminance 0.065; OKLCH L 39.8% C 0.049 H 224.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#274D5B
RGBrgb(39, 77, 91)
HSLhsl(196, 40%, 25%)
HSVhsv(196, 57%, 36%)
CMYKcmyk(57.1%, 15.4%, 0%, 64.3%)
CIE-LABlab(30.63, -9.02, -12.38)
CIE-LCHlch(30.63, 15.31, 233.92°)
OKLaboklab(39.83% -0.0353 -0.0343)
OKLCHoklch(39.83% 0.049 224.2)
XYZxyz(5.3782, 6.4940, 10.8655)
Luminance0.0649 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#274D5B #5B3527
analogous
#275B4F #274D5B #27335B
triadic
#274D5B #5B274D #4D5B27
tetradic
#274D5B #4F275B #5B3527 #335B27
square
#274D5B #4F275B #5B3527 #335B27
split-complementary
#274D5B #5B2733 #5B4F27
monochromatic
#091215 #152930 #274D5B #397186 #4C95B1

Accessibility & contrast

On white

9.14
#274D5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#274D5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D5B
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##274D5B#FFFFFF#000000##FFFFFF
##274D5B1.009.142.309.14
#FFFFFF9.141.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#454B5C
Deuteranopia (green-blind)
#3E465B
Tritanopia (blue-blind)
#045151
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #274d5b;
/* rgb */ color: rgb(39, 77, 91);
/* oklch */ color: oklch(39.8% 0.049 224.2);
Tailwind
colors: {
  custom: {
    50: '#667e89',
    500: '#274d5b',
    950: '#000000',
  },
}
SCSS
$custom: #274d5b;
$custom-light: #667e89;
$custom-dark: #000000;
JSON
{
  "hex": "#274d5b",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 91
  },
  "hsl": {
    "h": 196.154,
    "s": 40,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39831,
    "c": 0.04923,
    "h": 224.2
  },
  "luminance": 0.06494
}

Semantic roles & 50–950 ramp

primary
#274D5B
secondary
#8E6150
accent
#7858D0
background
#F6F7F8
surface
#EBEEF0
border
#C6C9CB
text
#060A0B
muted
#7A7C7C

Preview Lab

Preview with #274D5B

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

Preview Lab → · Contrast checker → · Palette generator →

#274D5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva