#155A69#155A69

#155A69 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.3% C 0.069 H 216.0°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#155A69
RGBrgb(21, 90, 105)
HSLhsl(191, 67%, 25%)
HSVhsv(191, 80%, 41%)
CMYKcmyk(80%, 14.3%, 0%, 58.8%)
CIE-LABlab(34.98, -15.15, -14.60)
CIE-LCHlch(34.98, 21.03, 223.94°)
OKLaboklab(43.35% -0.0561 -0.0407)
OKLCHoklch(43.35% 0.069 216)
XYZxyz(6.5141, 8.4909, 14.6574)
Luminance0.0849 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155A69 #692415
analogous
#15694E #155A69 #153069
triadic
#155A69 #69155A #5A6915
tetradic
#155A69 #4E1569 #692415 #306915
square
#155A69 #4E1569 #692415 #306915
split-complementary
#155A69 #691530 #694E15
monochromatic
#05161A #0B2E36 #155A69 #1F869C #29B1CF

Accessibility & contrast

On white

7.78
#155A69 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#155A69 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A69
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155A69#FFFFFF#000000##FFFFFF
##155A691.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50576A
Deuteranopia (green-blind)
#444F69
Tritanopia (blue-blind)
#005F5F
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #155a69;
/* rgb */ color: rgb(21, 90, 105);
/* oklch */ color: oklch(43.3% 0.069 216.0);
Tailwind
colors: {
  custom: {
    50: '#628894',
    500: '#155a69',
    950: '#000000',
  },
}
SCSS
$custom: #155a69;
$custom-light: #628894;
$custom-dark: #000000;
JSON
{
  "hex": "#155a69",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 105
  },
  "hsl": {
    "h": 190.714,
    "s": 66.667,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43349,
    "c": 0.06931,
    "h": 216
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary
#155A69
secondary
#A04C3A
accent
#5D3EEA
background
#F6F8F9
surface
#EBF0F1
border
#C6CBCB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #155A69

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

Preview Lab → · Contrast checker → · Palette generator →

#155A69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva