#17587D#17587D

#17587D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.9% C 0.088 H 239.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#17587D
RGBrgb(23, 88, 125)
HSLhsl(202, 69%, 29%)
HSVhsv(202, 82%, 49%)
CMYKcmyk(81.6%, 29.6%, 0%, 51%)
CIE-LABlab(35.28, -6.18, -26.52)
CIE-LCHlch(35.28, 27.23, 256.88°)
OKLaboklab(43.9% -0.0451 -0.075)
OKLCHoklch(43.9% 0.088 239)
XYZxyz(7.5433, 8.6414, 20.6684)
Luminance0.0864 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17587D #7D3C17
analogous
#177D6F #17587D #17257D
triadic
#17587D #7D1758 #587D17
tetradic
#17587D #6F177D #7D3C17 #257D17
square
#17587D #6F177D #7D3C17 #257D17
split-complementary
#17587D #7D1725 #7D6F17
monochromatic
#05121A #0D3449 #17587D #217CB1 #359EDA

Accessibility & contrast

On white

7.70
#17587D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.73
#17587D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17587D
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17587D#FFFFFF#000000##FFFFFF
##17587D1.007.702.737.70
#FFFFFF7.701.0021.001.00
#0000002.7321.001.0021.00
##FFFFFF7.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46587F
Deuteranopia (green-blind)
#394F7C
Tritanopia (blue-blind)
#006165
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #17587d;
/* rgb */ color: rgb(23, 88, 125);
/* oklch */ color: oklch(43.9% 0.088 239.0);
Tailwind
colors: {
  custom: {
    50: '#6687a3',
    500: '#17587d',
    950: '#000000',
  },
}
SCSS
$custom: #17587d;
$custom-light: #6687a3;
$custom-dark: #000000;
JSON
{
  "hex": "#17587d",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 125
  },
  "hsl": {
    "h": 201.765,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43904,
    "c": 0.08753,
    "h": 239
  },
  "luminance": 0.08642
}

Semantic roles & 50–950 ramp

primary
#17587D
secondary
#B2683E
accent
#7C3CEC
background
#F6F8FA
surface
#EBEFF3
border
#C6CACD
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #17587D

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

Preview Lab → · Contrast checker → · Palette generator →

#17587D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva