#155A80#155A80

#155A80 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.5% C 0.090 H 238.6°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#155A80
RGB	rgb(21, 90, 128)
HSL	hsl(201, 72%, 29%)
HSV	hsv(201, 84%, 50%)
CMYK	cmyk(83.6%, 29.7%, 0%, 49.8%)
CIE-LAB	lab(36.04, -6.47, -27.18)
CIE-LCH	lch(36.04, 27.94, 256.60°)
OKLab	oklab(44.54% -0.0469 -0.0769)
OKLCH	oklch(44.54% 0.09 238.6)
XYZ	xyz(7.8602, 9.0293, 21.7465)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A80 #803B15

analogous

#158071 #155A80 #152580

triadic

#155A80 #80155A #5A8015

tetradic

#155A80 #711580 #803B15 #258015

square

#155A80 #711580 #803B15 #258015

split-complementary

#155A80 #801525 #807115

monochromatic

#04121A #0C354B #155A80 #1E7FB5 #32A1DD

Accessibility & contrast

On white

7.48

#155A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A80

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A80	#FFFFFF	#000000	##FFFFFF
##155A80	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A82

Deuteranopia (green-blind)

#39507F

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155a80;
/* rgb */ color: rgb(21, 90, 128);
/* oklch */ color: oklch(44.5% 0.090 238.6);

Tailwind

colors: {
  custom: {
    50: '#6688a5',
    500: '#155a80',
    950: '#000000',
  },
}

SCSS

$custom: #155a80;
$custom-light: #6688a5;
$custom-dark: #000000;

JSON

{
  "hex": "#155a80",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 128
  },
  "hsl": {
    "h": 201.308,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.44541,
    "c": 0.09012,
    "h": 238.6
  },
  "luminance": 0.0903
}

Semantic roles & 50–950 ramp

primary

#155A80

secondary

#B5673C

accent

#7A39EF

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155A80

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

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