#177D94#177D94

#177D94 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.6% C 0.092 H 217.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#177D94
RGB	rgb(23, 125, 148)
HSL	hsl(191, 73%, 34%)
HSV	hsv(191, 84%, 58%)
CMYK	cmyk(84.5%, 15.5%, 0%, 42%)
CIE-LAB	lab(48.24, -19.09, -20.25)
CIE-LCH	lch(48.24, 27.83, 226.68°)
OKLab	oklab(54.61% -0.073 -0.0566)
OKLCH	oklch(54.61% 0.092 217.8)
XYZ	xyz(13.0300, 16.9858, 30.6031)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177D94 #942E17

analogous

#17946C #177D94 #173E94

triadic

#177D94 #94177D #7D9417

tetradic

#177D94 #6C1794 #942E17 #3E9417

square

#177D94 #6C1794 #942E17 #3E9417

split-complementary

#177D94 #94173E #946C17

monochromatic

#07242A #0F505F #177D94 #1FAAC9 #44C5E2

Accessibility & contrast

On white

4.78

#177D94 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#177D94 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177D94

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177D94	#FFFFFF	#000000	##FFFFFF
##177D94	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7995

Deuteranopia (green-blind)

#5E6D94

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #177d94;
/* rgb */ color: rgb(23, 125, 148);
/* oklch */ color: oklch(54.6% 0.092 217.8);

Tailwind

colors: {
  custom: {
    50: '#6da3b3',
    500: '#177d94',
    950: '#000000',
  },
}

SCSS

$custom: #177d94;
$custom-light: #6da3b3;
$custom-dark: #000000;

JSON

{
  "hex": "#177d94",
  "rgb": {
    "r": 23,
    "g": 125,
    "b": 148
  },
  "hsl": {
    "h": 191.04,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.54612,
    "c": 0.09239,
    "h": 217.8
  },
  "luminance": 0.16988
}

Semantic roles & 50–950 ramp

primary

#177D94

secondary

#C35B44

accent

#5A38F0

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#080F11

muted

#7B7F80

Preview Lab

Preview with #177D94

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

Preview Lab → · Contrast checker → · Palette generator →