#175581#175581

#175581 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.4% C 0.095 H 244.6°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX#175581
RGBrgb(23, 85, 129)
HSLhsl(205, 70%, 30%)
HSVhsv(205, 82%, 51%)
CMYKcmyk(82.2%, 34.1%, 0%, 49.4%)
CIE-LABlab(34.53, -2.72, -30.18)
CIE-LCHlch(34.53, 30.30, 264.84°)
OKLaboklab(43.37% -0.0408 -0.0857)
OKLCHoklch(43.37% 0.095 244.6)
XYZxyz(7.5628, 8.2632, 21.9610)
Luminance0.0826 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175581 #814317
analogous
#178178 #175581 #172081
triadic
#175581 #811755 #558117
tetradic
#175581 #781781 #814317 #208117
square
#175581 #781781 #814317 #208117
split-complementary
#175581 #811720 #817817
monochromatic
#05111A #0E334D #175581 #2077B5 #3797DB

Accessibility & contrast

On white

7.92
#175581 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#175581 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175581
7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175581#FFFFFF#000000##FFFFFF
##1755811.007.922.657.92
#FFFFFF7.921.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405783
Deuteranopia (green-blind)
#314D80
Tritanopia (blue-blind)
#006065
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #175581;
/* rgb */ color: rgb(23, 85, 129);
/* oklch */ color: oklch(43.4% 0.095 244.6);
Tailwind
colors: {
  custom: {
    50: '#6684a6',
    500: '#175581',
    950: '#000000',
  },
}
SCSS
$custom: #175581;
$custom-light: #6684a6;
$custom-dark: #000000;
JSON
{
  "hex": "#175581",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 129
  },
  "hsl": {
    "h": 204.906,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.43371,
    "c": 0.09494,
    "h": 244.6
  },
  "luminance": 0.08264
}

Semantic roles & 50–950 ramp

primary
#175581
secondary
#B5703E
accent
#853BED
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #175581

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

Preview Lab → · Contrast checker → · Palette generator →

#175581 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva