#177990#177990

#177990 is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.4% C 0.090 H 218.5°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#177990
RGB	rgb(23, 121, 144)
HSL	hsl(191, 72%, 33%)
HSV	hsv(191, 84%, 56%)
CMYK	cmyk(84%, 16%, 0%, 43.5%)
CIE-LAB	lab(46.80, -18.32, -20.10)
CIE-LCH	lch(46.80, 27.20, 227.65°)
OKLab	oklab(53.4% -0.0707 -0.0563)
OKLCH	oklch(53.4% 0.09 218.5)
XYZ	xyz(12.2226, 15.8690, 28.7990)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177990 #902E17

analogous

#17906A #177990 #173C90

triadic

#177990 #901779 #799017

tetradic

#177990 #6A1790 #902E17 #3C9017

square

#177990 #6A1790 #902E17 #3C9017

split-complementary

#177990 #90173C #906A17

monochromatic

#062026 #0F4D5B #177990 #1FA5C5 #41C2E1

Accessibility & contrast

On white

5.03

#177990 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#177990 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177990

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177990	#FFFFFF	#000000	##FFFFFF
##177990	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7591

Deuteranopia (green-blind)

#5B6A90

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #177990;
/* rgb */ color: rgb(23, 121, 144);
/* oklch */ color: oklch(53.4% 0.090 218.5);

Tailwind

colors: {
  custom: {
    50: '#6ca0b0',
    500: '#177990',
    950: '#000000',
  },
}

SCSS

$custom: #177990;
$custom-light: #6ca0b0;
$custom-dark: #000000;

JSON

{
  "hex": "#177990",
  "rgb": {
    "r": 23,
    "g": 121,
    "b": 144
  },
  "hsl": {
    "h": 191.405,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.53399,
    "c": 0.09035,
    "h": 218.5
  },
  "luminance": 0.15871
}

Semantic roles & 50–950 ramp

primary

#177990

secondary

#C15A42

accent

#5B39EF

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #177990

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

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