#155B80#155B80

#155B80 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.8% C 0.089 H 237.6°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#155B80
RGB	rgb(21, 91, 128)
HSL	hsl(201, 72%, 29%)
HSV	hsv(201, 84%, 50%)
CMYK	cmyk(83.6%, 28.9%, 0%, 49.8%)
CIE-LAB	lab(36.36, -7.09, -26.67)
CIE-LCH	lch(36.36, 27.60, 255.11°)
OKLab	oklab(44.8% -0.0479 -0.0754)
OKLCH	oklch(44.8% 0.089 237.6)
XYZ	xyz(7.9451, 9.1991, 21.7748)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B80 #803A15

analogous

#158070 #155B80 #152580

triadic

#155B80 #80155B #5B8015

tetradic

#155B80 #701580 #803A15 #258015

square

#155B80 #701580 #803A15 #258015

split-complementary

#155B80 #801525 #807015

monochromatic

#04131A #0C364B #155B80 #1E80B5 #32A2DD

Accessibility & contrast

On white

7.39

#155B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#155B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B80

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B80	#FFFFFF	#000000	##FFFFFF
##155B80	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495B82

Deuteranopia (green-blind)

#3B517F

Tritanopia (blue-blind)

#006468

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155b80;
/* rgb */ color: rgb(21, 91, 128);
/* oklch */ color: oklch(44.8% 0.089 237.6);

Tailwind

colors: {
  custom: {
    50: '#6689a5',
    500: '#155b80',
    950: '#000000',
  },
}

SCSS

$custom: #155b80;
$custom-light: #6689a5;
$custom-dark: #000000;

JSON

{
  "hex": "#155b80",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 128
  },
  "hsl": {
    "h": 200.748,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.44799,
    "c": 0.08936,
    "h": 237.6
  },
  "luminance": 0.092
}

Semantic roles & 50–950 ramp

primary

#155B80

secondary

#B5663C

accent

#7839EF

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155B80

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

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