#17487D#17487D

#17487D is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.103 H 253.4°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX#17487D
RGBrgb(23, 72, 125)
HSLhsl(211, 69%, 29%)
HSVhsv(211, 82%, 49%)
CMYKcmyk(81.6%, 42.4%, 0%, 51%)
CIE-LABlab(30.15, 4.19, -34.65)
CIE-LCHlch(30.15, 34.90, 276.89°)
OKLaboklab(39.86% -0.0296 -0.0991)
OKLCHoklch(39.86% 0.103 253.4)
XYZxyz(6.3710, 6.2968, 20.2777)
Luminance0.0630 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17487D #7D4C17
analogous
#177B7D #17487D #19177D
triadic
#17487D #7D1748 #487D17
tetradic
#17487D #7D177B #7D4C17 #177D19
square
#17487D #7D177B #7D4C17 #177D19
split-complementary
#17487D #7D1917 #7B7D17
monochromatic
#050F1A #0D2A49 #17487D #2166B1 #3584DA

Accessibility & contrast

On white

9.29
#17487D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#17487D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17487D
9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17487D#FFFFFF#000000##FFFFFF
##17487D1.009.292.269.29
#FFFFFF9.291.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E4C7F
Deuteranopia (green-blind)
#1D437C
Tritanopia (blue-blind)
#00555C
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #17487d;
/* rgb */ color: rgb(23, 72, 125);
/* oklch */ color: oklch(39.9% 0.103 253.4);
Tailwind
colors: {
  custom: {
    50: '#657aa3',
    500: '#17487d',
    950: '#000000',
  },
}
SCSS
$custom: #17487d;
$custom-light: #657aa3;
$custom-dark: #000000;
JSON
{
  "hex": "#17487d",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 211.176,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39862,
    "c": 0.10338,
    "h": 253.4
  },
  "luminance": 0.06298
}

Semantic roles & 50–950 ramp

primary
#17487D
secondary
#B27A3E
accent
#973CEC
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#06090F
muted
#7A7B7F

Preview Lab

Preview with #17487D

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

Preview Lab → · Contrast checker → · Palette generator →

#17487D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva