#17487F#17487F

#17487F is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 40.0% C 0.106 H 254.1°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX#17487F
RGBrgb(23, 72, 127)
HSLhsl(212, 69%, 29%)
HSVhsv(212, 82%, 50%)
CMYKcmyk(81.9%, 43.3%, 0%, 50.2%)
CIE-LABlab(30.27, 5.01, -35.69)
CIE-LCHlch(30.27, 36.04, 277.99°)
OKLaboklab(40% -0.0291 -0.1021)
OKLCHoklch(40% 0.106 254.1)
XYZxyz(6.5000, 6.3484, 20.9573)
Luminance0.0635 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17487F #7F4E17
analogous
#177C7F #17487F #1A177F
triadic
#17487F #7F1748 #487F17
tetradic
#17487F #7F177C #7F4E17 #177F1A
square
#17487F #7F177C #7F4E17 #177F1A
split-complementary
#17487F #7F1A17 #7C7F17
monochromatic
#050F1A #0E2B4B #17487F #2065B3 #3683DB

Accessibility & contrast

On white

9.25
#17487F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#17487F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17487F
9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17487F#FFFFFF#000000##FFFFFF
##17487F1.009.252.279.25
#FFFFFF9.251.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D4C81
Deuteranopia (green-blind)
#1A437E
Tritanopia (blue-blind)
#00555D
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #17487f;
/* rgb */ color: rgb(23, 72, 127);
/* oklch */ color: oklch(40.0% 0.106 254.1);
Tailwind
colors: {
  custom: {
    50: '#667aa4',
    500: '#17487f',
    950: '#000000',
  },
}
SCSS
$custom: #17487f;
$custom-light: #667aa4;
$custom-dark: #000000;
JSON
{
  "hex": "#17487f",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 127
  },
  "hsl": {
    "h": 211.731,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40001,
    "c": 0.10619,
    "h": 254.1
  },
  "luminance": 0.06349
}

Semantic roles & 50–950 ramp

primary
#17487F
secondary
#B47C3E
accent
#993CEC
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07090F
muted
#7A7B7F

Preview Lab

Preview with #17487F

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

Preview Lab → · Contrast checker → · Palette generator →

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