#177B94#177B94

#177B94 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.1% C 0.093 H 219.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#177B94
RGB	rgb(23, 123, 148)
HSL	hsl(192, 73%, 34%)
HSV	hsv(192, 84%, 58%)
CMYK	cmyk(84.5%, 16.9%, 0%, 42%)
CIE-LAB	lab(47.60, -18.01, -21.23)
CIE-LCH	lch(47.60, 27.84, 229.69°)
OKLab	oklab(54.1% -0.071 -0.0595)
OKLCH	oklch(54.1% 0.093 219.9)
XYZ	xyz(12.7793, 16.4846, 30.5195)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B94 #943017

analogous

#17946E #177B94 #173C94

triadic

#177B94 #94177B #7B9417

tetradic

#177B94 #6E1794 #943017 #3C9417

square

#177B94 #6E1794 #943017 #3C9417

split-complementary

#177B94 #94173C #946E17

monochromatic

#07232A #0F4F5F #177B94 #1FA7C9 #44C2E2

Accessibility & contrast

On white

4.89

#177B94 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#177B94 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B94

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B94	#FFFFFF	#000000	##FFFFFF
##177B94	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7795

Deuteranopia (green-blind)

#5C6C94

Tritanopia (blue-blind)

#008383

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #177b94;
/* rgb */ color: rgb(23, 123, 148);
/* oklch */ color: oklch(54.1% 0.093 219.9);

Tailwind

colors: {
  custom: {
    50: '#6da1b3',
    500: '#177b94',
    950: '#000000',
  },
}

SCSS

$custom: #177b94;
$custom-light: #6da1b3;
$custom-dark: #000000;

JSON

{
  "hex": "#177b94",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 148
  },
  "hsl": {
    "h": 192,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.54098,
    "c": 0.09262,
    "h": 219.9
  },
  "luminance": 0.16486
}

Semantic roles & 50–950 ramp

primary

#177B94

secondary

#C35D44

accent

#5D38F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#080F11

muted

#7B7E80

Preview Lab

Preview with #177B94

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

Preview Lab → · Contrast checker → · Palette generator →