#17327B#17327B

#17327B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.6% C 0.129 H 264.9°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#17327B
RGBrgb(23, 50, 123)
HSLhsl(224, 68%, 29%)
HSVhsv(224, 81%, 48%)
CMYKcmyk(81.3%, 59.3%, 0%, 51.8%)
CIE-LABlab(23.31, 18.73, -44.41)
CIE-LCHlch(23.31, 48.20, 292.87°)
OKLaboklab(34.58% -0.0114 -0.1282)
OKLCHoklch(34.58% 0.129 264.9)
XYZxyz(5.0678, 3.8928, 19.2193)
Luminance0.0389 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17327B #7B6017
analogous
#17647B #17327B #2E177B
triadic
#17327B #7B1732 #327B17
tetradic
#17327B #7B1764 #7B6017 #177B2E
square
#17327B #7B1764 #7B6017 #177B2E
split-complementary
#17327B #7B2E17 #647B17
monochromatic
#050A1A #0D1D47 #17327B #2147AF #3360D9

Accessibility & contrast

On white

11.81
#17327B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#17327B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17327B
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17327B#FFFFFF#000000##FFFFFF
##17327B1.0011.811.7811.81
#FFFFFF11.811.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003C7D
Deuteranopia (green-blind)
#00337A
Tritanopia (blue-blind)
#004451
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #17327b;
/* rgb */ color: rgb(23, 50, 123);
/* oklch */ color: oklch(34.6% 0.129 264.9);
Tailwind
colors: {
  custom: {
    50: '#6669a2',
    500: '#17327b',
    950: '#000000',
  },
}
SCSS
$custom: #17327b;
$custom-light: #6669a2;
$custom-dark: #000000;
JSON
{
  "hex": "#17327b",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 123
  },
  "hsl": {
    "h": 223.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34576,
    "c": 0.12873,
    "h": 264.9
  },
  "luminance": 0.03893
}

Semantic roles & 50–950 ramp

primary
#17327B
secondary
#B0913E
accent
#BC3CEB
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #17327B

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

Preview Lab → · Contrast checker → · Palette generator →

#17327B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva