#17587C#17587C

#17587C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.086 H 238.3°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX#17587C
RGBrgb(23, 88, 124)
HSLhsl(201, 69%, 29%)
HSVhsv(201, 81%, 49%)
CMYKcmyk(81.5%, 29%, 0%, 51.4%)
CIE-LABlab(35.23, -6.57, -25.98)
CIE-LCHlch(35.23, 26.80, 255.81°)
OKLaboklab(43.85% -0.0454 -0.0735)
OKLCHoklch(43.85% 0.086 238.3)
XYZxyz(7.4797, 8.6159, 20.3337)
Luminance0.0862 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17587C #7C3B17
analogous
#177C6E #17587C #17267C
triadic
#17587C #7C1758 #587C17
tetradic
#17587C #6E177C #7C3B17 #267C17
square
#17587C #6E177C #7C3B17 #267C17
split-complementary
#17587C #7C1726 #7C6E17
monochromatic
#05121A #0D3348 #17587C #217DB0 #349ED9

Accessibility & contrast

On white

7.71
#17587C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.72
#17587C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17587C
7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17587C#FFFFFF#000000##FFFFFF
##17587C1.007.712.727.71
#FFFFFF7.711.0021.001.00
#0000002.7221.001.0021.00
##FFFFFF7.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#47587E
Deuteranopia (green-blind)
#394F7B
Tritanopia (blue-blind)
#006164
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #17587c;
/* rgb */ color: rgb(23, 88, 124);
/* oklch */ color: oklch(43.8% 0.086 238.3);
Tailwind
colors: {
  custom: {
    50: '#6587a2',
    500: '#17587c',
    950: '#000000',
  },
}
SCSS
$custom: #17587c;
$custom-light: #6587a2;
$custom-dark: #000000;
JSON
{
  "hex": "#17587c",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 124
  },
  "hsl": {
    "h": 201.386,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.43847,
    "c": 0.08638,
    "h": 238.3
  },
  "luminance": 0.08617
}

Semantic roles & 50–950 ramp

primary
#17587C
secondary
#B1673E
accent
#7B3CEC
background
#F6F8FA
surface
#EBEFF3
border
#C6CACD
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #17587C

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

Preview Lab → · Contrast checker → · Palette generator →

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