#155D75#155D75

#155D75 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.7% C 0.077 H 225.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#155D75
RGB	rgb(21, 93, 117)
HSL	hsl(195, 70%, 27%)
HSV	hsv(195, 82%, 46%)
CMYK	cmyk(82.1%, 20.5%, 0%, 54.1%)
CIE-LAB	lab(36.50, -12.48, -19.70)
CIE-LCH	lch(36.50, 23.32, 237.64°)
OKLab	oklab(44.74% -0.0541 -0.0553)
OKLCH	oklch(44.74% 0.077 225.6)
XYZ	xyz(7.4332, 9.2716, 18.2240)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D75 #752D15

analogous

#15755D #155D75 #152D75

triadic

#155D75 #75155D #5D7515

tetradic

#155D75 #5D1575 #752D15 #2D7515

square

#155D75 #5D1575 #752D15 #2D7515

split-complementary

#155D75 #75152D #755D15

monochromatic

#05151A #0C3441 #155D75 #1E86A9 #2BAED9

Accessibility & contrast

On white

7.36

#155D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#155D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D75

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D75	#FFFFFF	#000000	##FFFFFF
##155D75	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505B76

Deuteranopia (green-blind)

#435275

Tritanopia (blue-blind)

#006465

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155d75;
/* rgb */ color: rgb(21, 93, 117);
/* oklch */ color: oklch(44.7% 0.077 225.6);

Tailwind

colors: {
  custom: {
    50: '#648b9c',
    500: '#155d75',
    950: '#000000',
  },
}

SCSS

$custom: #155d75;
$custom-light: #648b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#155d75",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 117
  },
  "hsl": {
    "h": 195,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.44737,
    "c": 0.07738,
    "h": 225.6
  },
  "luminance": 0.09272
}

Semantic roles & 50–950 ramp

primary

#155D75

secondary

#AB573B

accent

#683BEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155D75

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

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