#155D77#155D77

#155D77 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.8% C 0.079 H 227.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#155D77
RGB	rgb(21, 93, 119)
HSL	hsl(196, 70%, 27%)
HSV	hsv(196, 82%, 47%)
CMYK	cmyk(82.4%, 21.8%, 0%, 53.3%)
CIE-LAB	lab(36.59, -11.73, -20.79)
CIE-LCH	lch(36.59, 23.87, 240.56°)
OKLab	oklab(44.84% -0.0533 -0.0584)
OKLCH	oklch(44.84% 0.079 227.6)
XYZ	xyz(7.5520, 9.3191, 18.8499)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D77 #772F15

analogous

#157760 #155D77 #152C77

triadic

#155D77 #77155D #5D7715

tetradic

#155D77 #601577 #772F15 #2C7715

square

#155D77 #601577 #772F15 #2C7715

split-complementary

#155D77 #77152C #776015

monochromatic

#05141A #0C3443 #155D77 #1E86AB #2DACDA

Accessibility & contrast

On white

7.33

#155D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#155D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D77

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D77	#FFFFFF	#000000	##FFFFFF
##155D77	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5B78

Deuteranopia (green-blind)

#425277

Tritanopia (blue-blind)

#006466

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155d77;
/* rgb */ color: rgb(21, 93, 119);
/* oklch */ color: oklch(44.8% 0.079 227.6);

Tailwind

colors: {
  custom: {
    50: '#648b9e',
    500: '#155d77',
    950: '#000000',
  },
}

SCSS

$custom: #155d77;
$custom-light: #648b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#155d77",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 119
  },
  "hsl": {
    "h": 195.918,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.44839,
    "c": 0.0791,
    "h": 227.6
  },
  "luminance": 0.0932
}

Semantic roles & 50–950 ramp

primary

#155D77

secondary

#AD593B

accent

#6A3BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155D77

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

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