#155D73#155D73

#155D73 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.6% C 0.076 H 223.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#155D73
RGB	rgb(21, 93, 115)
HSL	hsl(194, 69%, 27%)
HSV	hsv(194, 82%, 45%)
CMYK	cmyk(81.7%, 19.1%, 0%, 54.9%)
CIE-LAB	lab(36.41, -13.22, -18.60)
CIE-LCH	lch(36.41, 22.82, 234.59°)
OKLab	oklab(44.64% -0.055 -0.0521)
OKLCH	oklch(44.64% 0.076 223.5)
XYZ	xyz(7.3168, 9.2250, 17.6113)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D73 #732B15

analogous

#15735A #155D73 #152E73

triadic

#155D73 #73155D #5D7315

tetradic

#155D73 #5A1573 #732B15 #2E7315

square

#155D73 #5A1573 #732B15 #2E7315

split-complementary

#155D73 #73152E #735A15

monochromatic

#05151A #0C333F #155D73 #1E87A7 #2AAFD8

Accessibility & contrast

On white

7.38

#155D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#155D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D73

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D73	#FFFFFF	#000000	##FFFFFF
##155D73	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505B74

Deuteranopia (green-blind)

#445273

Tritanopia (blue-blind)

#006464

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155d73;
/* rgb */ color: rgb(21, 93, 115);
/* oklch */ color: oklch(44.6% 0.076 223.5);

Tailwind

colors: {
  custom: {
    50: '#648b9b',
    500: '#155d73',
    950: '#000000',
  },
}

SCSS

$custom: #155d73;
$custom-light: #648b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#155d73",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 115
  },
  "hsl": {
    "h": 194.043,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.44638,
    "c": 0.07576,
    "h": 223.5
  },
  "luminance": 0.09226
}

Semantic roles & 50–950 ramp

primary

#155D73

secondary

#A9553B

accent

#653CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155D73

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

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