#155D75#155D75

#155D75 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.7% C 0.077 H 225.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#155D75
RGBrgb(21, 93, 117)
HSLhsl(195, 70%, 27%)
HSVhsv(195, 82%, 46%)
CMYKcmyk(82.1%, 20.5%, 0%, 54.1%)
CIE-LABlab(36.50, -12.48, -19.70)
CIE-LCHlch(36.50, 23.32, 237.64°)
OKLaboklab(44.74% -0.0541 -0.0553)
OKLCHoklch(44.74% 0.077 225.6)
XYZxyz(7.4332, 9.2716, 18.2240)
Luminance0.0927 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155D75 #752D15
analogous
#15755D #155D75 #152D75
triadic
#155D75 #75155D #5D7515
tetradic
#155D75 #5D1575 #752D15 #2D7515
square
#155D75 #5D1575 #752D15 #2D7515
split-complementary
#155D75 #75152D #755D15
monochromatic
#05151A #0C3441 #155D75 #1E86A9 #2BAED9

Accessibility & contrast

On white

7.36
#155D75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#155D75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D75
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155D75#FFFFFF#000000##FFFFFF
##155D751.007.362.857.36
#FFFFFF7.361.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#505B76
Deuteranopia (green-blind)
#435275
Tritanopia (blue-blind)
#006465
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #155d75;
/* rgb */ color: rgb(21, 93, 117);
/* oklch */ color: oklch(44.7% 0.077 225.6);
Tailwind
colors: {
  custom: {
    50: '#648b9c',
    500: '#155d75',
    950: '#000000',
  },
}
SCSS
$custom: #155d75;
$custom-light: #648b9c;
$custom-dark: #000000;
JSON
{
  "hex": "#155d75",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 117
  },
  "hsl": {
    "h": 195,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.44737,
    "c": 0.07738,
    "h": 225.6
  },
  "luminance": 0.09272
}

Semantic roles & 50–950 ramp

primary
#155D75
secondary
#AB573B
accent
#683BEC
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E

Preview Lab

Preview with #155D75

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

Preview Lab → · Contrast checker → · Palette generator →

#155D75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva