#17374A#17374A

#17374A is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.051 H 237.3°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX#17374A
RGBrgb(23, 55, 74)
HSLhsl(202, 53%, 19%)
HSVhsv(202, 69%, 29%)
CMYKcmyk(68.9%, 25.7%, 0%, 71%)
CIE-LABlab(21.61, -4.90, -15.19)
CIE-LCHlch(21.61, 15.96, 252.14°)
OKLaboklab(32.2% -0.0274 -0.0426)
OKLCHoklch(32.2% 0.051 237.3)
XYZxyz(2.9551, 3.4087, 6.9794)
Luminance0.0341 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17374A #4A2A17
analogous
#174A44 #17374A #171E4A
triadic
#17374A #4A1737 #374A17
tetradic
#17374A #44174A #4A2A17 #1E4A17
square
#17374A #44174A #4A2A17 #1E4A17
split-complementary
#17374A #4A171E #4A4417
monochromatic
#071117 #08141B #17374A #265A79 #347CA7

Accessibility & contrast

On white

12.49
#17374A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#17374A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17374A
12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17374A#FFFFFF#000000##FFFFFF
##17374A1.0012.491.6812.49
#FFFFFF12.491.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E374B
Deuteranopia (green-blind)
#27324A
Tritanopia (blue-blind)
#003C3D
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #17374a;
/* rgb */ color: rgb(23, 55, 74);
/* oklch */ color: oklch(32.2% 0.051 237.3);
Tailwind
colors: {
  custom: {
    50: '#5a6d7c',
    500: '#17374a',
    950: '#000000',
  },
}
SCSS
$custom: #17374a;
$custom-light: #5a6d7c;
$custom-dark: #000000;
JSON
{
  "hex": "#17374a",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 74
  },
  "hsl": {
    "h": 202.353,
    "s": 52.577,
    "l": 19.02
  },
  "oklch": {
    "l": 0.32204,
    "c": 0.05063,
    "h": 237.3
  },
  "luminance": 0.03409
}

Semantic roles & 50–950 ramp

primary
#17374A
secondary
#81563C
accent
#824CDC
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#040709
muted
#797A7B

Preview Lab

Preview with #17374A

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

Preview Lab → · Contrast checker → · Palette generator →

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