#155C72#155C72

#155C72 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.3% C 0.075 H 223.8°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#155C72
RGB	rgb(21, 92, 114)
HSL	hsl(194, 69%, 26%)
HSV	hsv(194, 82%, 45%)
CMYK	cmyk(81.6%, 19.3%, 0%, 55.3%)
CIE-LAB	lab(36.04, -13.01, -18.56)
CIE-LCH	lch(36.04, 22.67, 234.98°)
OKLab	oklab(44.32% -0.0543 -0.052)
OKLCH	oklch(44.32% 0.075 223.8)
XYZ	xyz(7.1724, 9.0277, 17.2808)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C72 #722B15

analogous

#15725A #155C72 #152D72

triadic

#155C72 #72155C #5C7215

tetradic

#155C72 #5A1572 #722B15 #2D7215

square

#155C72 #5A1572 #722B15 #2D7215

split-complementary

#155C72 #72152D #725A15

monochromatic

#05151A #0B323E #155C72 #1F86A6 #2AAFD8

Accessibility & contrast

On white

7.48

#155C72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155C72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C72

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C72	#FFFFFF	#000000	##FFFFFF
##155C72	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505A73

Deuteranopia (green-blind)

#435172

Tritanopia (blue-blind)

#006363

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155c72;
/* rgb */ color: rgb(21, 92, 114);
/* oklch */ color: oklch(44.3% 0.075 223.8);

Tailwind

colors: {
  custom: {
    50: '#638a9a',
    500: '#155c72',
    950: '#000000',
  },
}

SCSS

$custom: #155c72;
$custom-light: #638a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#155c72",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 114
  },
  "hsl": {
    "h": 194.194,
    "s": 68.889,
    "l": 26.471
  },
  "oklch": {
    "l": 0.44321,
    "c": 0.07523,
    "h": 223.8
  },
  "luminance": 0.09029
}

Semantic roles & 50–950 ramp

primary

#155C72

secondary

#A8553B

accent

#663CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155C72

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

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