#177FA0#177FA0

#177FA0 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.100 H 225.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#177FA0
RGB	rgb(23, 127, 160)
HSL	hsl(194, 75%, 36%)
HSV	hsv(194, 86%, 63%)
CMYK	cmyk(85.6%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(49.37, -15.93, -25.53)
CIE-LCH	lch(49.37, 30.09, 238.03°)
OKLab	oklab(55.68% -0.0701 -0.0717)
OKLCH	oklch(55.68% 0.1 225.7)
XYZ	xyz(14.2852, 17.8971, 35.9525)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177FA0 #A03817

analogous

#17A07C #177FA0 #173AA0

triadic

#177FA0 #A0177F #7FA017

tetradic

#177FA0 #7C17A0 #A03817 #3AA017

square

#177FA0 #7C17A0 #A03817 #3AA017

split-complementary

#177FA0 #A0173A #A07C17

monochromatic

#082A35 #0F556A #177FA0 #1FA9D6 #4CC0E5

Accessibility & contrast

On white

4.59

#177FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#177FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #177FA0

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177FA0	#FFFFFF	#000000	##FFFFFF
##177FA0	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA2

Deuteranopia (green-blind)

#5B70A0

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #177fa0;
/* rgb */ color: rgb(23, 127, 160);
/* oklch */ color: oklch(55.7% 0.100 225.7);

Tailwind

colors: {
  custom: {
    50: '#6fa4bc',
    500: '#177fa0',
    950: '#000000',
  },
}

SCSS

$custom: #177fa0;
$custom-light: #6fa4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#177fa0",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 194.453,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.55683,
    "c": 0.10032,
    "h": 225.7
  },
  "luminance": 0.17899
}

Semantic roles & 50–950 ramp

primary

#177FA0

secondary

#C7694C

accent

#6336F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #177FA0

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

Preview Lab → · Contrast checker → · Palette generator →