#155E7F#155E7F

#155E7F is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.5% C 0.086 H 233.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX#155E7F
RGBrgb(21, 94, 127)
HSLhsl(199, 72%, 29%)
HSVhsv(199, 83%, 50%)
CMYKcmyk(83.5%, 26%, 0%, 50.2%)
CIE-LABlab(37.29, -9.30, -24.61)
CIE-LCHlch(37.29, 26.31, 249.30°)
OKLaboklab(45.52% -0.0512 -0.0694)
OKLCHoklch(45.52% 0.086 233.6)
XYZxyz(8.1412, 9.6961, 21.5170)
Luminance0.0970 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155E7F #7F3615
analogous
#157F6B #155E7F #15297F
triadic
#155E7F #7F155E #5E7F15
tetradic
#155E7F #6B157F #7F3615 #297F15
square
#155E7F #6B157F #7F3615 #297F15
split-complementary
#155E7F #7F1529 #7F6B15
monochromatic
#04131A #0C374A #155E7F #1E85B4 #31A8DD

Accessibility & contrast

On white

7.14
#155E7F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.94
#155E7F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E7F
7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155E7F#FFFFFF#000000##FFFFFF
##155E7F1.007.142.947.14
#FFFFFF7.141.0021.001.00
#0000002.9421.001.0021.00
##FFFFFF7.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E5D81
Deuteranopia (green-blind)
#40537E
Tritanopia (blue-blind)
#006769
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #155e7f;
/* rgb */ color: rgb(21, 94, 127);
/* oklch */ color: oklch(45.5% 0.086 233.6);
Tailwind
colors: {
  custom: {
    50: '#668ba4',
    500: '#155e7f',
    950: '#000000',
  },
}
SCSS
$custom: #155e7f;
$custom-light: #668ba4;
$custom-dark: #000000;
JSON
{
  "hex": "#155e7f",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 127
  },
  "hsl": {
    "h": 198.679,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.4552,
    "c": 0.08629,
    "h": 233.6
  },
  "luminance": 0.09697
}

Semantic roles & 50–950 ramp

primary
#155E7F
secondary
#B4613C
accent
#7239EE
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #155E7F

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

Preview Lab → · Contrast checker → · Palette generator →

#155E7F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva