#155A75#155A75

#155A75 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 43.9% C 0.079 H 229.5°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#155A75
RGB	rgb(21, 90, 117)
HSL	hsl(197, 70%, 27%)
HSV	hsv(197, 82%, 46%)
CMYK	cmyk(82.1%, 23.1%, 0%, 54.1%)
CIE-LAB	lab(35.51, -10.70, -21.24)
CIE-LCH	lch(35.51, 23.78, 243.25°)
OKLab	oklab(43.94% -0.051 -0.0597)
OKLCH	oklch(43.94% 0.079 229.5)
XYZ	xyz(7.1750, 8.7552, 18.1379)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A75 #753015

analogous

#157560 #155A75 #152A75

triadic

#155A75 #75155A #5A7515

tetradic

#155A75 #601575 #753015 #2A7515

square

#155A75 #601575 #753015 #2A7515

split-complementary

#155A75 #75152A #756015

monochromatic

#05141A #0C3241 #155A75 #1E82A9 #2BA8D9

Accessibility & contrast

On white

7.63

#155A75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#155A75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A75

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A75	#FFFFFF	#000000	##FFFFFF
##155A75	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5976

Deuteranopia (green-blind)

#3F5075

Tritanopia (blue-blind)

#006263

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155a75;
/* rgb */ color: rgb(21, 90, 117);
/* oklch */ color: oklch(43.9% 0.079 229.5);

Tailwind

colors: {
  custom: {
    50: '#64889d',
    500: '#155a75',
    950: '#000000',
  },
}

SCSS

$custom: #155a75;
$custom-light: #64889d;
$custom-dark: #000000;

JSON

{
  "hex": "#155a75",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 117
  },
  "hsl": {
    "h": 196.875,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.43942,
    "c": 0.07855,
    "h": 229.5
  },
  "luminance": 0.08756
}

Semantic roles & 50–950 ramp

primary

#155A75

secondary

#AB5A3B

accent

#6D3BEC

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155A75

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

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