#155C7E#155C7E

#155C7E is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.9% C 0.086 H 235.0°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#155C7E
RGBrgb(21, 92, 126)
HSLhsl(199, 71%, 29%)
HSVhsv(199, 83%, 49%)
CMYKcmyk(83.3%, 27%, 0%, 50.6%)
CIE-LABlab(36.59, -8.47, -25.09)
CIE-LCHlch(36.59, 26.48, 251.34°)
OKLaboklab(44.95% -0.0496 -0.0709)
OKLCHoklch(44.95% 0.086 235)
XYZxyz(7.9008, 9.3191, 21.1170)
Luminance0.0932 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155C7E #7E3715
analogous
#157E6C #155C7E #15277E
triadic
#155C7E #7E155C #5C7E15
tetradic
#155C7E #6C157E #7E3715 #277E15
square
#155C7E #6C157E #7E3715 #277E15
split-complementary
#155C7E #7E1527 #7E6C15
monochromatic
#04131A #0C364A #155C7E #1E82B2 #31A5DD

Accessibility & contrast

On white

7.33
#155C7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#155C7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C7E
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155C7E#FFFFFF#000000##FFFFFF
##155C7E1.007.332.867.33
#FFFFFF7.331.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B5B80
Deuteranopia (green-blind)
#3D527D
Tritanopia (blue-blind)
#006568
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #155c7e;
/* rgb */ color: rgb(21, 92, 126);
/* oklch */ color: oklch(44.9% 0.086 235.0);
Tailwind
colors: {
  custom: {
    50: '#668aa3',
    500: '#155c7e',
    950: '#000000',
  },
}
SCSS
$custom: #155c7e;
$custom-light: #668aa3;
$custom-dark: #000000;
JSON
{
  "hex": "#155c7e",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 126
  },
  "hsl": {
    "h": 199.429,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.44947,
    "c": 0.08649,
    "h": 235
  },
  "luminance": 0.0932
}

Semantic roles & 50–950 ramp

primary
#155C7E
secondary
#B3623C
accent
#743AEE
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #155C7E

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

Preview Lab → · Contrast checker → · Palette generator →

#155C7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva