#177CA1#177CA1

#177CA1 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.102 H 229.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#177CA1
RGB	rgb(23, 124, 161)
HSL	hsl(196, 75%, 36%)
HSV	hsv(196, 86%, 63%)
CMYK	cmyk(85.7%, 23%, 0%, 36.9%)
CIE-LAB	lab(48.47, -13.89, -27.51)
CIE-LCH	lch(48.47, 30.81, 243.20°)
OKLab	oklab(54.98% -0.0669 -0.0775)
OKLCH	oklch(54.98% 0.102 229.2)
XYZ	xyz(13.9914, 17.1689, 36.2878)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177CA1 #A13C17

analogous

#17A181 #177CA1 #1737A1

triadic

#177CA1 #A1177C #7CA117

tetradic

#177CA1 #8117A1 #A13C17 #37A117

square

#177CA1 #8117A1 #A13C17 #37A117

split-complementary

#177CA1 #A11737 #A18117

monochromatic

#082A36 #0F536B #177CA1 #1FA5D7 #4DBDE6

Accessibility & contrast

On white

4.74

#177CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#177CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177CA1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177CA1	#FFFFFF	#000000	##FFFFFF
##177CA1	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)

#697AA3

Deuteranopia (green-blind)

#576EA0

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #177ca1;
/* rgb */ color: rgb(23, 124, 161);
/* oklch */ color: oklch(55.0% 0.102 229.2);

Tailwind

colors: {
  custom: {
    50: '#6fa2bd',
    500: '#177ca1',
    950: '#000000',
  },
}

SCSS

$custom: #177ca1;
$custom-light: #6fa2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#177ca1",
  "rgb": {
    "r": 23,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 196.087,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54977,
    "c": 0.10235,
    "h": 229.2
  },
  "luminance": 0.17171
}

Semantic roles & 50–950 ramp

primary

#177CA1

secondary

#C76D4C

accent

#6836F2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #177CA1

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

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