#175D7B#175D7B

#175D7B is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.082 H 231.7°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX#175D7B
RGBrgb(23, 93, 123)
HSLhsl(198, 68%, 29%)
HSVhsv(198, 81%, 48%)
CMYKcmyk(81.3%, 24.4%, 0%, 51.8%)
CIE-LABlab(36.82, -10.00, -22.90)
CIE-LCHlch(36.82, 24.98, 246.41°)
OKLaboklab(45.09% -0.0509 -0.0645)
OKLCHoklch(45.09% 0.082 231.7)
XYZxyz(7.8414, 9.4400, 20.1439)
Luminance0.0944 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175D7B #7B3517
analogous
#177B67 #175D7B #172B7B
triadic
#175D7B #7B175D #5D7B17
tetradic
#175D7B #67177B #7B3517 #2B7B17
square
#175D7B #67177B #7B3517 #2B7B17
split-complementary
#175D7B #7B172B #7B6717
monochromatic
#05131A #0D3647 #175D7B #2184AF #33A7D9

Accessibility & contrast

On white

7.27
#175D7B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#175D7B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175D7B
7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175D7B#FFFFFF#000000##FFFFFF
##175D7B1.007.272.897.27
#FFFFFF7.271.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E5C7C
Deuteranopia (green-blind)
#41527B
Tritanopia (blue-blind)
#006567
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #175d7b;
/* rgb */ color: rgb(23, 93, 123);
/* oklch */ color: oklch(45.1% 0.082 231.7);
Tailwind
colors: {
  custom: {
    50: '#668aa1',
    500: '#175d7b',
    950: '#000000',
  },
}
SCSS
$custom: #175d7b;
$custom-light: #668aa1;
$custom-dark: #000000;
JSON
{
  "hex": "#175d7b",
  "rgb": {
    "r": 23,
    "g": 93,
    "b": 123
  },
  "hsl": {
    "h": 198,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.45092,
    "c": 0.08214,
    "h": 231.7
  },
  "luminance": 0.09441
}

Semantic roles & 50–950 ramp

primary
#175D7B
secondary
#B0603E
accent
#713CEB
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070B0F
muted
#7A7C7E

Preview Lab

Preview with #175D7B

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

Preview Lab → · Contrast checker → · Palette generator →

#175D7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva