#177DA0#177DA0

#177DA0 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.101 H 227.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#177DA0
RGB	rgb(23, 125, 160)
HSL	hsl(195, 75%, 36%)
HSV	hsv(195, 86%, 63%)
CMYK	cmyk(85.6%, 21.9%, 0%, 37.3%)
CIE-LAB	lab(48.74, -14.82, -26.50)
CIE-LCH	lch(48.74, 30.36, 240.79°)
OKLab	oklab(55.18% -0.0682 -0.0746)
OKLCH	oklch(55.18% 0.101 227.6)
XYZ	xyz(14.0295, 17.3857, 35.8672)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177DA0 #A03A17

analogous

#17A07E #177DA0 #1739A0

triadic

#177DA0 #A0177D #7DA017

tetradic

#177DA0 #7E17A0 #A03A17 #39A017

square

#177DA0 #7E17A0 #A03A17 #39A017

split-complementary

#177DA0 #A01739 #A07E17

monochromatic

#082935 #0F536A #177DA0 #1FA7D6 #4CBEE5

Accessibility & contrast

On white

4.69

#177DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#177DA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177DA0

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177DA0	#FFFFFF	#000000	##FFFFFF
##177DA0	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA2

Deuteranopia (green-blind)

#596EA0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #177da0;
/* rgb */ color: rgb(23, 125, 160);
/* oklch */ color: oklch(55.2% 0.101 227.6);

Tailwind

colors: {
  custom: {
    50: '#6fa2bc',
    500: '#177da0',
    950: '#000000',
  },
}

SCSS

$custom: #177da0;
$custom-light: #6fa2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#177da0",
  "rgb": {
    "r": 23,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 195.328,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.55179,
    "c": 0.10107,
    "h": 227.6
  },
  "luminance": 0.17387
}

Semantic roles & 50–950 ramp

primary

#177DA0

secondary

#C76B4C

accent

#6636F1

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #177DA0

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

Preview Lab → · Contrast checker → · Palette generator →