#175AB1#175AB1

#175AB1 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.8% C 0.153 H 257.3°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX#175AB1
RGBrgb(23, 90, 177)
HSLhsl(214, 77%, 39%)
HSVhsv(214, 87%, 69%)
CMYKcmyk(87%, 49.2%, 0%, 30.6%)
CIE-LABlab(39.01, 13.30, -51.90)
CIE-LCHlch(39.01, 53.58, 284.37°)
OKLaboklab(47.83% -0.0337 -0.1494)
OKLCHoklch(47.83% 0.153 257.3)
XYZxyz(11.9424, 10.6673, 43.0160)
Luminance0.1067 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175AB1 #B16E17
analogous
#17A7B1 #175AB1 #2117B1
triadic
#175AB1 #B1175A #5AB117
tetradic
#175AB1 #B117A7 #B16E17 #17B121
square
#175AB1 #B117A7 #B16E17 #17B121
split-complementary
#175AB1 #B12117 #A7B117
monochromatic
#092345 #103E7B #175AB1 #2376E2 #5998E9

Accessibility & contrast

On white

6.70
#175AB1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.13
#175AB1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #175AB1
6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175AB1#FFFFFF#000000##FFFFFF
##175AB11.006.703.136.70
#FFFFFF6.701.0021.001.00
#0000003.1321.001.0021.00
##FFFFFF6.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2563B4
Deuteranopia (green-blind)
#0056AF
Tritanopia (blue-blind)
#006F7D
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #175ab1;
/* rgb */ color: rgb(23, 90, 177);
/* oklch */ color: oklch(47.8% 0.153 257.3);
Tailwind
colors: {
  custom: {
    50: '#7287c9',
    500: '#175ab1',
    950: '#000000',
  },
}
SCSS
$custom: #175ab1;
$custom-light: #7287c9;
$custom-dark: #000000;
JSON
{
  "hex": "#175ab1",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 177
  },
  "hsl": {
    "h": 213.896,
    "s": 77,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47826,
    "c": 0.15319,
    "h": 257.3
  },
  "luminance": 0.10669
}

Semantic roles & 50–950 ramp

primary
#175AB1
secondary
#CD9A57
accent
#A034F4
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#090B13
muted
#7B7C82

Preview Lab

Preview with #175AB1

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

Preview Lab → · Contrast checker → · Palette generator →

#175AB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva