#155C73#155C73

#155C73 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.4% C 0.076 H 224.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#155C73
RGB	rgb(21, 92, 115)
HSL	hsl(195, 69%, 27%)
HSV	hsv(195, 82%, 45%)
CMYK	cmyk(81.7%, 20%, 0%, 54.9%)
CIE-LAB	lab(36.08, -12.64, -19.11)
CIE-LCH	lch(36.08, 22.92, 236.53°)
OKLab	oklab(44.37% -0.0539 -0.0536)
OKLCH	oklch(44.37% 0.076 224.8)
XYZ	xyz(7.2296, 9.0506, 17.5822)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C73 #732C15

analogous

#15735B #155C73 #152D73

triadic

#155C73 #73155C #5C7315

tetradic

#155C73 #5B1573 #732C15 #2D7315

square

#155C73 #5B1573 #732C15 #2D7315

split-complementary

#155C73 #73152D #735B15

monochromatic

#05151A #0C333F #155C73 #1E85A7 #2AAED8

Accessibility & contrast

On white

7.47

#155C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C73

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C73	#FFFFFF	#000000	##FFFFFF
##155C73	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5A74

Deuteranopia (green-blind)

#435173

Tritanopia (blue-blind)

#006364

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155c73;
/* rgb */ color: rgb(21, 92, 115);
/* oklch */ color: oklch(44.4% 0.076 224.8);

Tailwind

colors: {
  custom: {
    50: '#648a9b',
    500: '#155c73',
    950: '#000000',
  },
}

SCSS

$custom: #155c73;
$custom-light: #648a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#155c73",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 115
  },
  "hsl": {
    "h": 194.681,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.44371,
    "c": 0.07604,
    "h": 224.8
  },
  "luminance": 0.09052
}

Semantic roles & 50–950 ramp

primary

#155C73

secondary

#A9563B

accent

#673CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155C73

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

Preview Lab → · Contrast checker → · Palette generator →