#155D74#155D74

#155D74 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.7% C 0.077 H 224.6°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX#155D74
RGBrgb(21, 93, 116)
HSLhsl(195, 69%, 27%)
HSVhsv(195, 82%, 45%)
CMYKcmyk(81.9%, 19.8%, 0%, 54.5%)
CIE-LABlab(36.46, -12.85, -19.15)
CIE-LCHlch(36.46, 23.06, 236.13°)
OKLaboklab(44.69% -0.0545 -0.0537)
OKLCHoklch(44.69% 0.077 224.6)
XYZxyz(7.3747, 9.2482, 17.9160)
Luminance0.0925 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155D74 #742C15
analogous
#15745C #155D74 #152E74
triadic
#155D74 #74155D #5D7415
tetradic
#155D74 #5C1574 #742C15 #2E7415
square
#155D74 #5C1574 #742C15 #2E7415
split-complementary
#155D74 #74152E #745C15
monochromatic
#05151A #0C3340 #155D74 #1E87A8 #2BAFD9

Accessibility & contrast

On white

7.37
#155D74 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#155D74 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D74
7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155D74#FFFFFF#000000##FFFFFF
##155D741.007.372.857.37
#FFFFFF7.371.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#505B75
Deuteranopia (green-blind)
#445274
Tritanopia (blue-blind)
#006465
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #155d74;
/* rgb */ color: rgb(21, 93, 116);
/* oklch */ color: oklch(44.7% 0.077 224.6);
Tailwind
colors: {
  custom: {
    50: '#648b9c',
    500: '#155d74',
    950: '#000000',
  },
}
SCSS
$custom: #155d74;
$custom-light: #648b9c;
$custom-dark: #000000;
JSON
{
  "hex": "#155d74",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 116
  },
  "hsl": {
    "h": 194.526,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.44687,
    "c": 0.07656,
    "h": 224.6
  },
  "luminance": 0.09249
}

Semantic roles & 50–950 ramp

primary
#155D74
secondary
#AA563B
accent
#663CEC
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E

Preview Lab

Preview with #155D74

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

Preview Lab → · Contrast checker → · Palette generator →

#155D74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva