#155E72#155E72

#155E72 is a dark, moderate cyan. Relative luminance 0.094; OKLCH L 44.9% C 0.075 H 221.0°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#155E72
RGB	rgb(21, 94, 114)
HSL	hsl(193, 69%, 26%)
HSV	hsv(193, 82%, 45%)
CMYK	cmyk(81.6%, 17.5%, 0%, 55.3%)
CIE-LAB	lab(36.70, -14.17, -17.54)
CIE-LCH	lch(36.70, 22.55, 231.06°)
OKLab	oklab(44.86% -0.0564 -0.0491)
OKLCH	oklch(44.86% 0.075 221)
XYZ	xyz(7.3479, 9.3788, 17.3394)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E72 #722915

analogous

#157258 #155E72 #153072

triadic

#155E72 #72155E #5E7215

tetradic

#155E72 #581572 #722915 #307215

square

#155E72 #581572 #722915 #307215

split-complementary

#155E72 #721530 #725815

monochromatic

#05151A #0B333E #155E72 #1F89A6 #2AB2D8

Accessibility & contrast

On white

7.30

#155E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#155E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E72

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E72	#FFFFFF	#000000	##FFFFFF
##155E72	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525B73

Deuteranopia (green-blind)

#465272

Tritanopia (blue-blind)

#006464

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155e72;
/* rgb */ color: rgb(21, 94, 114);
/* oklch */ color: oklch(44.9% 0.075 221.0);

Tailwind

colors: {
  custom: {
    50: '#648b9a',
    500: '#155e72',
    950: '#000000',
  },
}

SCSS

$custom: #155e72;
$custom-light: #648b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#155e72",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 114
  },
  "hsl": {
    "h": 192.903,
    "s": 68.889,
    "l": 26.471
  },
  "oklch": {
    "l": 0.44856,
    "c": 0.07481,
    "h": 221
  },
  "luminance": 0.0938
}

Semantic roles & 50–950 ramp

primary

#155E72

secondary

#A8523B

accent

#623CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155E72

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

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