#155E73#155E73

#155E73 is a dark, moderate cyan. Relative luminance 0.094; OKLCH L 44.9% C 0.076 H 222.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#155E73
RGB	rgb(21, 94, 115)
HSL	hsl(193, 69%, 27%)
HSV	hsv(193, 82%, 45%)
CMYK	cmyk(81.7%, 18.3%, 0%, 54.9%)
CIE-LAB	lab(36.75, -13.80, -18.09)
CIE-LCH	lch(36.75, 22.75, 232.65°)
OKLab	oklab(44.9% -0.056 -0.0507)
OKLCH	oklch(44.9% 0.076 222.1)
XYZ	xyz(7.4052, 9.4017, 17.6408)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E73 #732A15

analogous

#157359 #155E73 #152F73

triadic

#155E73 #73155E #5E7315

tetradic

#155E73 #591573 #732A15 #2F7315

square

#155E73 #591573 #732A15 #2F7315

split-complementary

#155E73 #73152F #735915

monochromatic

#05151A #0C343F #155E73 #1E88A7 #2AB1D8

Accessibility & contrast

On white

7.29

#155E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#155E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E73

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E73	#FFFFFF	#000000	##FFFFFF
##155E73	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525C74

Deuteranopia (green-blind)

#455373

Tritanopia (blue-blind)

#006565

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155e73;
/* rgb */ color: rgb(21, 94, 115);
/* oklch */ color: oklch(44.9% 0.076 222.1);

Tailwind

colors: {
  custom: {
    50: '#648b9b',
    500: '#155e73',
    950: '#000000',
  },
}

SCSS

$custom: #155e73;
$custom-light: #648b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#155e73",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 115
  },
  "hsl": {
    "h": 193.404,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.44904,
    "c": 0.07554,
    "h": 222.1
  },
  "luminance": 0.09403
}

Semantic roles & 50–950 ramp

primary

#155E73

secondary

#A9533B

accent

#633CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155E73

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

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