#173645#173645

#173645 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.7% C 0.045 H 231.6°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX#173645
RGBrgb(23, 54, 69)
HSLhsl(200, 50%, 18%)
HSVhsv(200, 67%, 27%)
CMYKcmyk(66.7%, 21.7%, 0%, 72.9%)
CIE-LABlab(21.02, -6.13, -12.75)
CIE-LCHlch(21.02, 14.15, 244.32°)
OKLaboklab(31.65% -0.0282 -0.0356)
OKLCHoklch(31.65% 0.045 231.6)
XYZxyz(2.7463, 3.2499, 6.1116)
Luminance0.0325 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#173645 #452617
analogous
#17453D #173645 #171F45
triadic
#173645 #451736 #364517
tetradic
#173645 #3D1745 #452617 #1F4517
square
#173645 #3D1745 #452617 #1F4517
split-complementary
#173645 #45171F #453D17
monochromatic
#081217 #081217 #173645 #265A73 #367EA1

Accessibility & contrast

On white

12.73
#173645 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#173645 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173645
12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##173645#FFFFFF#000000##FFFFFF
##1736451.0012.731.6512.73
#FFFFFF12.731.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3546
Deuteranopia (green-blind)
#283045
Tritanopia (blue-blind)
#003A3B
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #173645;
/* rgb */ color: rgb(23, 54, 69);
/* oklch */ color: oklch(31.7% 0.045 231.6);
Tailwind
colors: {
  custom: {
    50: '#596d78',
    500: '#173645',
    950: '#000000',
  },
}
SCSS
$custom: #173645;
$custom-light: #596d78;
$custom-dark: #000000;
JSON
{
  "hex": "#173645",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 69
  },
  "hsl": {
    "h": 199.565,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31653,
    "c": 0.0454,
    "h": 231.6
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary
#173645
secondary
#7C513C
accent
#7C4EDA
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#040709
muted
#797A7B

Preview Lab

Preview with #173645

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

Preview Lab → · Contrast checker → · Palette generator →

#173645 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva