#17406B#17406B

#17406B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.087 H 252.3°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX#17406B
RGBrgb(23, 64, 107)
HSLhsl(211, 65%, 25%)
HSVhsv(211, 79%, 42%)
CMYKcmyk(78.5%, 40.2%, 0%, 58%)
CIE-LABlab(26.48, 2.23, -29.13)
CIE-LCHlch(26.48, 29.22, 274.38°)
OKLaboklab(36.64% -0.0265 -0.083)
OKLCHoklch(36.64% 0.087 252.3)
XYZxyz(4.8396, 4.9099, 14.5997)
Luminance0.0491 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17406B #6B4217
analogous
#176A6B #17406B #18176B
triadic
#17406B #6B1740 #406B17
tetradic
#17406B #6B176A #6B4217 #176B18
square
#17406B #6B176A #6B4217 #176B18
split-complementary
#17406B #6B1817 #6A6B17
monochromatic
#050F19 #0C2239 #17406B #225E9D #2D7CD0

Accessibility & contrast

On white

10.60
#17406B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#17406B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17406B
10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17406B#FFFFFF#000000##FFFFFF
##17406B1.0010.601.9810.60
#FFFFFF10.601.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C436D
Deuteranopia (green-blind)
#1F3B6A
Tritanopia (blue-blind)
#004A50
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #17406b;
/* rgb */ color: rgb(23, 64, 107);
/* oklch */ color: oklch(36.6% 0.087 252.3);
Tailwind
colors: {
  custom: {
    50: '#617495',
    500: '#17406b',
    950: '#000000',
  },
}
SCSS
$custom: #17406b;
$custom-light: #617495;
$custom-dark: #000000;
JSON
{
  "hex": "#17406b",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 107
  },
  "hsl": {
    "h": 210.714,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36636,
    "c": 0.08715,
    "h": 252.3
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary
#17406B
secondary
#A1703D
accent
#9640E8
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #17406B

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

Preview Lab → · Contrast checker → · Palette generator →

#17406B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva