#155B73#155B73

#155B73 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.1% C 0.076 H 226.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#155B73
RGB	rgb(21, 91, 115)
HSL	hsl(195, 69%, 27%)
HSV	hsv(195, 82%, 45%)
CMYK	cmyk(81.7%, 20.9%, 0%, 54.9%)
CIE-LAB	lab(35.75, -12.05, -19.63)
CIE-LCH	lch(35.75, 23.03, 238.45°)
OKLab	oklab(44.11% -0.0529 -0.0551)
OKLCH	oklch(44.11% 0.076 226.2)
XYZ	xyz(7.1436, 8.8785, 17.5536)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B73 #732D15

analogous

#15735C #155B73 #152C73

triadic

#155B73 #73155B #5B7315

tetradic

#155B73 #5C1573 #732D15 #2C7315

square

#155B73 #5C1573 #732D15 #2C7315

split-complementary

#155B73 #73152C #735C15

monochromatic

#05141A #0C323F #155B73 #1E84A7 #2AACD8

Accessibility & contrast

On white

7.57

#155B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B73

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B73	#FFFFFF	#000000	##FFFFFF
##155B73	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5974

Deuteranopia (green-blind)

#425073

Tritanopia (blue-blind)

#006263

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155b73;
/* rgb */ color: rgb(21, 91, 115);
/* oklch */ color: oklch(44.1% 0.076 226.2);

Tailwind

colors: {
  custom: {
    50: '#63899b',
    500: '#155b73',
    950: '#000000',
  },
}

SCSS

$custom: #155b73;
$custom-light: #63899b;
$custom-dark: #000000;

JSON

{
  "hex": "#155b73",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 115
  },
  "hsl": {
    "h": 195.319,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.44105,
    "c": 0.07636,
    "h": 226.2
  },
  "luminance": 0.08879
}

Semantic roles & 50–950 ramp

primary

#155B73

secondary

#A9573B

accent

#693CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155B73

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

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