#155E6D#155E6D

#155E6D is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.6% C 0.072 H 215.1°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#155E6D
RGBrgb(21, 94, 109)
HSLhsl(190, 68%, 25%)
HSVhsv(190, 81%, 43%)
CMYKcmyk(80.7%, 13.8%, 0%, 57.3%)
CIE-LABlab(36.50, -15.98, -14.77)
CIE-LCHlch(36.50, 21.76, 222.74°)
OKLaboklab(44.62% -0.0586 -0.0412)
OKLCHoklch(44.62% 0.072 215.1)
XYZxyz(7.0711, 9.2681, 15.8813)
Luminance0.0927 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155E6D #6D2415
analogous
#156D50 #155E6D #15326D
triadic
#155E6D #6D155E #5E6D15
tetradic
#155E6D #50156D #6D2415 #326D15
square
#155E6D #50156D #6D2415 #326D15
split-complementary
#155E6D #6D1532 #6D5015
monochromatic
#05161A #0B323A #155E6D #1F8AA0 #29B7D4

Accessibility & contrast

On white

7.36
#155E6D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#155E6D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E6D
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155E6D#FFFFFF#000000##FFFFFF
##155E6D1.007.362.857.36
#FFFFFF7.361.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545B6E
Deuteranopia (green-blind)
#48526D
Tritanopia (blue-blind)
#006463
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #155e6d;
/* rgb */ color: rgb(21, 94, 109);
/* oklch */ color: oklch(44.6% 0.072 215.1);
Tailwind
colors: {
  custom: {
    50: '#638c96',
    500: '#155e6d',
    950: '#000000',
  },
}
SCSS
$custom: #155e6d;
$custom-light: #638c96;
$custom-dark: #000000;
JSON
{
  "hex": "#155e6d",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 109
  },
  "hsl": {
    "h": 190.227,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.44619,
    "c": 0.07166,
    "h": 215.1
  },
  "luminance": 0.09269
}

Semantic roles & 50–950 ramp

primary
#155E6D
secondary
#A34C3A
accent
#5B3DEB
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0D
muted
#7A7D7E

Preview Lab

Preview with #155E6D

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

Preview Lab → · Contrast checker → · Palette generator →

#155E6D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva