#17556A#17556A

#17556A is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.1% C 0.070 H 225.2°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#17556A
RGBrgb(23, 85, 106)
HSLhsl(195, 64%, 25%)
HSVhsv(195, 78%, 42%)
CMYKcmyk(78.3%, 19.8%, 0%, 58.4%)
CIE-LABlab(33.39, -11.59, -17.67)
CIE-LCHlch(33.39, 21.13, 236.73°)
OKLaboklab(42.1% -0.0492 -0.0495)
OKLCHoklch(42.1% 0.07 225.2)
XYZxyz(6.2023, 7.7190, 14.7959)
Luminance0.0772 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17556A #6A2C17
analogous
#176A55 #17556A #172B6A
triadic
#17556A #6A1755 #556A17
tetradic
#17556A #55176A #6A2C17 #2B6A17
square
#17556A #55176A #6A2C17 #2B6A17
split-complementary
#17556A #6A172B #6A5517
monochromatic
#051419 #0C2D38 #17556A #227D9C #2DA6CF

Accessibility & contrast

On white

8.25
#17556A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#17556A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17556A
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17556A#FFFFFF#000000##FFFFFF
##17556A1.008.252.548.25
#FFFFFF8.251.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#49536B
Deuteranopia (green-blind)
#3E4B6A
Tritanopia (blue-blind)
#005B5C
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #17556a;
/* rgb */ color: rgb(23, 85, 106);
/* oklch */ color: oklch(42.1% 0.070 225.2);
Tailwind
colors: {
  custom: {
    50: '#628594',
    500: '#17556a',
    950: '#000000',
  },
}
SCSS
$custom: #17556a;
$custom-light: #628594;
$custom-dark: #000000;
JSON
{
  "hex": "#17556a",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 106
  },
  "hsl": {
    "h": 195.181,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.42096,
    "c": 0.06982,
    "h": 225.2
  },
  "luminance": 0.0772
}

Semantic roles & 50–950 ramp

primary
#17556A
secondary
#A0563D
accent
#6B40E7
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #17556A

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

Preview Lab → · Contrast checker → · Palette generator →

#17556A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva