#17374E#17374E

#17374E is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.056 H 242.4°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX#17374E
RGBrgb(23, 55, 78)
HSLhsl(205, 54%, 20%)
HSVhsv(205, 71%, 31%)
CMYKcmyk(70.5%, 29.5%, 0%, 69.4%)
CIE-LABlab(21.81, -3.34, -17.55)
CIE-LCHlch(21.81, 17.87, 259.21°)
OKLaboklab(32.43% -0.0258 -0.0494)
OKLCHoklch(32.43% 0.056 242.4)
XYZxyz(3.0942, 3.4643, 7.7119)
Luminance0.0347 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17374E #4E2E17
analogous
#174E4A #17374E #171C4E
triadic
#17374E #4E1737 #374E17
tetradic
#17374E #4A174E #4E2E17 #1C4E17
square
#17374E #4A174E #4E2E17 #1C4E17
split-complementary
#17374E #4E171C #4E4A17
monochromatic
#071118 #09161F #17374E #25587D #337AAD

Accessibility & contrast

On white

12.40
#17374E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#17374E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17374E
12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17374E#FFFFFF#000000##FFFFFF
##17374E1.0012.401.6912.40
#FFFFFF12.401.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D374F
Deuteranopia (green-blind)
#25324E
Tritanopia (blue-blind)
#003D3F
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #17374e;
/* rgb */ color: rgb(23, 55, 78);
/* oklch */ color: oklch(32.4% 0.056 242.4);
Tailwind
colors: {
  custom: {
    50: '#5b6d7f',
    500: '#17374e',
    950: '#000000',
  },
}
SCSS
$custom: #17374e;
$custom-light: #5b6d7f;
$custom-dark: #000000;
JSON
{
  "hex": "#17374e",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 205.091,
    "s": 54.455,
    "l": 19.804
  },
  "oklch": {
    "l": 0.32433,
    "c": 0.05572,
    "h": 242.4
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary
#17374E
secondary
#855A3C
accent
#884ADE
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #17374E

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

Preview Lab → · Contrast checker → · Palette generator →

#17374E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva