#17347A#17347A

#17347A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.125 H 264.0°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX#17347A
RGBrgb(23, 52, 122)
HSLhsl(222, 68%, 28%)
HSVhsv(222, 81%, 48%)
CMYKcmyk(81.1%, 57.4%, 0%, 52.2%)
CIE-LABlab(23.81, 16.90, -42.96)
CIE-LCHlch(23.81, 46.17, 291.47°)
OKLaboklab(34.93% -0.013 -0.1239)
OKLCHoklch(34.93% 0.125 264)
XYZxyz(5.0929, 4.0427, 18.9205)
Luminance0.0404 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17347A #7A5D17
analogous
#17657A #17347A #2B177A
triadic
#17347A #7A1734 #347A17
tetradic
#17347A #7A1765 #7A5D17 #177A2B
square
#17347A #7A1765 #7A5D17 #177A2B
split-complementary
#17347A #7A2B17 #657A17
monochromatic
#050B1A #0D1E47 #17347A #214AAD #3363D9

Accessibility & contrast

On white

11.61
#17347A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#17347A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17347A
11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17347A#FFFFFF#000000##FFFFFF
##17347A1.0011.611.8111.61
#FFFFFF11.611.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003D7C
Deuteranopia (green-blind)
#003479
Tritanopia (blue-blind)
#004551
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #17347a;
/* rgb */ color: rgb(23, 52, 122);
/* oklch */ color: oklch(34.9% 0.125 264.0);
Tailwind
colors: {
  custom: {
    50: '#656aa1',
    500: '#17347a',
    950: '#000000',
  },
}
SCSS
$custom: #17347a;
$custom-light: #656aa1;
$custom-dark: #000000;
JSON
{
  "hex": "#17347a",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 222.424,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34926,
    "c": 0.12462,
    "h": 264
  },
  "luminance": 0.04043
}

Semantic roles & 50–950 ramp

primary
#17347A
secondary
#AF8E3E
accent
#B83DEB
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #17347A

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

Preview Lab → · Contrast checker → · Palette generator →

#17347A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva