#177CA0#177CA0

#177CA0 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.101 H 228.5°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#177CA0
RGB	rgb(23, 124, 160)
HSL	hsl(196, 75%, 36%)
HSV	hsv(196, 86%, 63%)
CMYK	cmyk(85.6%, 22.5%, 0%, 37.3%)
CIE-LAB	lab(48.43, -14.26, -26.99)
CIE-LCH	lch(48.43, 30.52, 242.16°)
OKLab	oklab(54.93% -0.0673 -0.076)
OKLCH	oklch(54.93% 0.101 228.5)
XYZ	xyz(13.9035, 17.1337, 35.8252)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177CA0 #A03B17

analogous

#17A07F #177CA0 #1738A0

triadic

#177CA0 #A0177C #7CA017

tetradic

#177CA0 #7F17A0 #A03B17 #38A017

square

#177CA0 #7F17A0 #A03B17 #38A017

split-complementary

#177CA0 #A01738 #A07F17

monochromatic

#082935 #0F536A #177CA0 #1FA5D6 #4CBDE5

Accessibility & contrast

On white

4.74

#177CA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#177CA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177CA0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177CA0	#FFFFFF	#000000	##FFFFFF
##177CA0	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA2

Deuteranopia (green-blind)

#586EA0

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #177ca0;
/* rgb */ color: rgb(23, 124, 160);
/* oklch */ color: oklch(54.9% 0.101 228.5);

Tailwind

colors: {
  custom: {
    50: '#6fa2bc',
    500: '#177ca0',
    950: '#000000',
  },
}

SCSS

$custom: #177ca0;
$custom-light: #6fa2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#177ca0",
  "rgb": {
    "r": 23,
    "g": 124,
    "b": 160
  },
  "hsl": {
    "h": 195.766,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.54927,
    "c": 0.10148,
    "h": 228.5
  },
  "luminance": 0.17136
}

Semantic roles & 50–950 ramp

primary

#177CA0

secondary

#C76C4C

accent

#6736F1

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #177CA0

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

Preview Lab → · Contrast checker → · Palette generator →