#155E7E#155E7E

#155E7E is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.5% C 0.085 H 232.8°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX#155E7E
RGBrgb(21, 94, 126)
HSLhsl(198, 71%, 29%)
HSVhsv(198, 83%, 49%)
CMYKcmyk(83.3%, 25.4%, 0%, 50.6%)
CIE-LABlab(37.24, -9.68, -24.07)
CIE-LCHlch(37.24, 25.95, 248.09°)
OKLaboklab(45.47% -0.0516 -0.0679)
OKLCHoklch(45.47% 0.085 232.8)
XYZxyz(8.0763, 9.6702, 21.1755)
Luminance0.0967 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155E7E #7E3515
analogous
#157E6A #155E7E #15297E
triadic
#155E7E #7E155E #5E7E15
tetradic
#155E7E #6A157E #7E3515 #297E15
square
#155E7E #6A157E #7E3515 #297E15
split-complementary
#155E7E #7E1529 #7E6A15
monochromatic
#04141A #0C374A #155E7E #1E85B2 #31A8DD

Accessibility & contrast

On white

7.16
#155E7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#155E7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E7E
7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155E7E#FFFFFF#000000##FFFFFF
##155E7E1.007.162.937.16
#FFFFFF7.161.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E5D80
Deuteranopia (green-blind)
#40537E
Tritanopia (blue-blind)
#006769
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #155e7e;
/* rgb */ color: rgb(21, 94, 126);
/* oklch */ color: oklch(45.5% 0.085 232.8);
Tailwind
colors: {
  custom: {
    50: '#668ba3',
    500: '#155e7e',
    950: '#000000',
  },
}
SCSS
$custom: #155e7e;
$custom-light: #668ba3;
$custom-dark: #000000;
JSON
{
  "hex": "#155e7e",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 126
  },
  "hsl": {
    "h": 198.286,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.45467,
    "c": 0.08527,
    "h": 232.8
  },
  "luminance": 0.09671
}

Semantic roles & 50–950 ramp

primary
#155E7E
secondary
#B3603C
accent
#713AEE
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #155E7E

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

Preview Lab → · Contrast checker → · Palette generator →

#155E7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva