#155C80#155C80

#155C80 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.089 H 236.5°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#155C80
RGB	rgb(21, 92, 128)
HSL	hsl(200, 72%, 29%)
HSV	hsv(200, 84%, 50%)
CMYK	cmyk(83.6%, 28.1%, 0%, 49.8%)
CIE-LAB	lab(36.69, -7.70, -26.16)
CIE-LCH	lch(36.69, 27.28, 253.60°)
OKLab	oklab(45.06% -0.0489 -0.074)
OKLCH	oklch(45.06% 0.089 236.5)
XYZ	xyz(8.0311, 9.3712, 21.8034)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C80 #803915

analogous

#15806F #155C80 #152780

triadic

#155C80 #80155C #5C8015

tetradic

#155C80 #6F1580 #803915 #278015

square

#155C80 #6F1580 #803915 #278015

split-complementary

#155C80 #801527 #806F15

monochromatic

#04131A #0C364B #155C80 #1E82B5 #32A4DD

Accessibility & contrast

On white

7.31

#155C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#155C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C80

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C80	#FFFFFF	#000000	##FFFFFF
##155C80	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5C82

Deuteranopia (green-blind)

#3C527F

Tritanopia (blue-blind)

#006568

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155c80;
/* rgb */ color: rgb(21, 92, 128);
/* oklch */ color: oklch(45.1% 0.089 236.5);

Tailwind

colors: {
  custom: {
    50: '#668aa5',
    500: '#155c80',
    950: '#000000',
  },
}

SCSS

$custom: #155c80;
$custom-light: #668aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#155c80",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 128
  },
  "hsl": {
    "h": 200.187,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.45057,
    "c": 0.08866,
    "h": 236.5
  },
  "luminance": 0.09372
}

Semantic roles & 50–950 ramp

primary

#155C80

secondary

#B5653C

accent

#7639EF

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155C80

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

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