#155F74#155F74

#155F74 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.2% C 0.076 H 221.9°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX#155F74
RGBrgb(21, 95, 116)
HSLhsl(193, 69%, 27%)
HSVhsv(193, 82%, 45%)
CMYKcmyk(81.9%, 18.1%, 0%, 54.5%)
CIE-LABlab(37.12, -14.02, -18.13)
CIE-LCHlch(37.12, 22.91, 232.29°)
OKLaboklab(45.22% -0.0566 -0.0508)
OKLCHoklch(45.22% 0.076 221.9)
XYZxyz(7.5525, 9.6039, 17.9753)
Luminance0.0960 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155F74 #742A15
analogous
#15745A #155F74 #153074
triadic
#155F74 #74155F #5F7415
tetradic
#155F74 #5A1574 #742A15 #307415
square
#155F74 #5A1574 #742A15 #307415
split-complementary
#155F74 #741530 #745A15
monochromatic
#05151A #0C3540 #155F74 #1E89A8 #2BB2D9

Accessibility & contrast

On white

7.19
#155F74 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#155F74 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F74
7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155F74#FFFFFF#000000##FFFFFF
##155F741.007.192.927.19
#FFFFFF7.191.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#535C75
Deuteranopia (green-blind)
#465374
Tritanopia (blue-blind)
#006666
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #155f74;
/* rgb */ color: rgb(21, 95, 116);
/* oklch */ color: oklch(45.2% 0.076 221.9);
Tailwind
colors: {
  custom: {
    50: '#648c9c',
    500: '#155f74',
    950: '#000000',
  },
}
SCSS
$custom: #155f74;
$custom-light: #648c9c;
$custom-dark: #000000;
JSON
{
  "hex": "#155f74",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 116
  },
  "hsl": {
    "h": 193.263,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.4522,
    "c": 0.07606,
    "h": 221.9
  },
  "luminance": 0.09605
}

Semantic roles & 50–950 ramp

primary
#155F74
secondary
#AA533B
accent
#633CEC
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E

Preview Lab

Preview with #155F74

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

Preview Lab → · Contrast checker → · Palette generator →

#155F74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva