#175A6A#175A6A

#175A6A is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.069 H 217.6°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#175A6A
RGBrgb(23, 90, 106)
HSLhsl(192, 64%, 25%)
HSVhsv(192, 78%, 42%)
CMYKcmyk(78.3%, 15.1%, 0%, 58.4%)
CIE-LABlab(35.07, -14.52, -15.08)
CIE-LCHlch(35.07, 20.94, 226.09°)
OKLaboklab(43.45% -0.0547 -0.0421)
OKLCHoklch(43.45% 0.069 217.6)
XYZxyz(6.6099, 8.5343, 14.9318)
Luminance0.0853 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175A6A #6A2717
analogous
#176A50 #175A6A #17316A
triadic
#175A6A #6A175A #5A6A17
tetradic
#175A6A #50176A #6A2717 #316A17
square
#175A6A #50176A #6A2717 #316A17
split-complementary
#175A6A #6A1731 #6A5017
monochromatic
#051519 #0C2F38 #175A6A #22859C #2DAFCF

Accessibility & contrast

On white

7.76
#175A6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#175A6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A6A
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175A6A#FFFFFF#000000##FFFFFF
##175A6A1.007.762.717.76
#FFFFFF7.761.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50576B
Deuteranopia (green-blind)
#444F6A
Tritanopia (blue-blind)
#00605F
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #175a6a;
/* rgb */ color: rgb(23, 90, 106);
/* oklch */ color: oklch(43.4% 0.069 217.6);
Tailwind
colors: {
  custom: {
    50: '#628894',
    500: '#175a6a',
    950: '#000000',
  },
}
SCSS
$custom: #175a6a;
$custom-light: #628894;
$custom-dark: #000000;
JSON
{
  "hex": "#175a6a",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 106
  },
  "hsl": {
    "h": 191.566,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43445,
    "c": 0.06905,
    "h": 217.6
  },
  "luminance": 0.08535
}

Semantic roles & 50–950 ramp

primary
#175A6A
secondary
#A0503D
accent
#6140E7
background
#F6F8F9
surface
#EBF0F1
border
#C6CBCB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #175A6A

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

Preview Lab → · Contrast checker → · Palette generator →

#175A6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva