#175B79#175B79

#175B79 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.5% C 0.081 H 232.4°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#175B79
RGB	rgb(23, 91, 121)
HSL	hsl(198, 68%, 28%)
HSV	hsv(198, 81%, 47%)
CMYK	cmyk(81%, 24.8%, 0%, 52.5%)
CIE-LAB	lab(36.07, -9.55, -22.83)
CIE-LCH	lch(36.07, 24.75, 247.29°)
OKLab	oklab(44.46% -0.0496 -0.0643)
OKLCH	oklch(44.46% 0.081 232.4)
XYZ	xyz(7.5442, 9.0439, 19.4335)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B79 #793517

analogous

#177966 #175B79 #172A79

triadic

#175B79 #79175B #5B7917

tetradic

#175B79 #661779 #793517 #2A7917

square

#175B79 #661779 #793517 #2A7917

split-complementary

#175B79 #79172A #796617

monochromatic

#05131A #0D3446 #175B79 #2182AC #32A5D8

Accessibility & contrast

On white

7.48

#175B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#175B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B79

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B79	#FFFFFF	#000000	##FFFFFF
##175B79	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5A7A

Deuteranopia (green-blind)

#3F5179

Tritanopia (blue-blind)

#006365

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #175b79;
/* rgb */ color: rgb(23, 91, 121);
/* oklch */ color: oklch(44.5% 0.081 232.4);

Tailwind

colors: {
  custom: {
    50: '#6589a0',
    500: '#175b79',
    950: '#000000',
  },
}

SCSS

$custom: #175b79;
$custom-light: #6589a0;
$custom-dark: #000000;

JSON

{
  "hex": "#175b79",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 121
  },
  "hsl": {
    "h": 198.367,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.44464,
    "c": 0.08121,
    "h": 232.4
  },
  "luminance": 0.09045
}

Semantic roles & 50–950 ramp

primary

#175B79

secondary

#AE603E

accent

#723DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #175B79

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

Preview Lab → · Contrast checker → · Palette generator →