#177FA1#177FA1

#177FA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.101 H 226.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#177FA1
RGB	rgb(23, 127, 161)
HSL	hsl(195, 75%, 36%)
HSV	hsv(195, 86%, 63%)
CMYK	cmyk(85.7%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(49.41, -15.57, -26.04)
CIE-LCH	lch(49.41, 30.34, 239.12°)
OKLab	oklab(55.73% -0.0697 -0.0732)
OKLCH	oklch(55.73% 0.101 226.4)
XYZ	xyz(14.3731, 17.9323, 36.4150)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177FA1 #A13917

analogous

#17A17E #177FA1 #173AA1

triadic

#177FA1 #A1177F #7FA117

tetradic

#177FA1 #7E17A1 #A13917 #3AA117

square

#177FA1 #7E17A1 #A13917 #3AA117

split-complementary

#177FA1 #A1173A #A17E17

monochromatic

#082B36 #0F556B #177FA1 #1FA9D7 #4DC0E6

Accessibility & contrast

On white

4.58

#177FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#177FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #177FA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177FA1	#FFFFFF	#000000	##000000
##177FA1	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA3

Deuteranopia (green-blind)

#5B70A1

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #177fa1;
/* rgb */ color: rgb(23, 127, 161);
/* oklch */ color: oklch(55.7% 0.101 226.4);

Tailwind

colors: {
  custom: {
    50: '#6fa4bd',
    500: '#177fa1',
    950: '#000000',
  },
}

SCSS

$custom: #177fa1;
$custom-light: #6fa4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#177fa1",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 194.783,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55731,
    "c": 0.10112,
    "h": 226.4
  },
  "luminance": 0.17934
}

Semantic roles & 50–950 ramp

primary

#177FA1

secondary

#C76B4C

accent

#6436F2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #177FA1

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

Preview Lab → · Contrast checker → · Palette generator →