#18617E#18617E

#18617E is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.3% C 0.083 H 229.8°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#18617E
RGBrgb(24, 97, 126)
HSLhsl(197, 68%, 29%)
HSVhsv(197, 81%, 49%)
CMYKcmyk(81%, 23%, 0%, 50.6%)
CIE-LABlab(38.29, -11.14, -22.45)
CIE-LCHlch(38.29, 25.06, 243.62°)
OKLaboklab(46.32% -0.0534 -0.0631)
OKLCHoklch(46.32% 0.083 229.8)
XYZxyz(8.4157, 10.2489, 21.2693)
Luminance0.1025 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18617E #7E3518
analogous
#187E68 #18617E #182E7E
triadic
#18617E #7E1861 #617E18
tetradic
#18617E #68187E #7E3518 #2E7E18
square
#18617E #68187E #7E3518 #2E7E18
split-complementary
#18617E #7E182E #7E6818
monochromatic
#05141A #0E394B #18617E #2289B1 #37ABD9

Accessibility & contrast

On white

6.89
#18617E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#18617E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18617E
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18617E#FFFFFF#000000##FFFFFF
##18617E1.006.893.056.89
#FFFFFF6.891.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#52607F
Deuteranopia (green-blind)
#45567E
Tritanopia (blue-blind)
#00696B
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #18617e;
/* rgb */ color: rgb(24, 97, 126);
/* oklch */ color: oklch(46.3% 0.083 229.8);
Tailwind
colors: {
  custom: {
    50: '#678ea3',
    500: '#18617e',
    950: '#000000',
  },
}
SCSS
$custom: #18617e;
$custom-light: #678ea3;
$custom-dark: #000000;
JSON
{
  "hex": "#18617e",
  "rgb": {
    "r": 24,
    "g": 97,
    "b": 126
  },
  "hsl": {
    "h": 197.059,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.46317,
    "c": 0.08269,
    "h": 229.8
  },
  "luminance": 0.1025
}

Semantic roles & 50–950 ramp

primary
#18617E
secondary
#B2603F
accent
#6E3DEB
background
#F6F8FA
surface
#EBF0F3
border
#C6CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #18617E

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

Preview Lab → · Contrast checker → · Palette generator →

#18617E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva