#18607B#18607B

#18607B is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 45.9% C 0.080 H 228.2°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX#18607B
RGBrgb(24, 96, 123)
HSLhsl(196, 67%, 29%)
HSVhsv(196, 80%, 48%)
CMYKcmyk(80.5%, 22%, 0%, 51.8%)
CIE-LABlab(37.82, -11.66, -21.33)
CIE-LCHlch(37.82, 24.31, 241.34°)
OKLaboklab(45.9% -0.0535 -0.0599)
OKLCHoklch(45.9% 0.08 228.2)
XYZxyz(8.1332, 9.9890, 20.2345)
Luminance0.0999 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18607B #7B3318
analogous
#187B65 #18607B #182F7B
triadic
#18607B #7B1860 #607B18
tetradic
#18607B #65187B #7B3318 #2F7B18
square
#18607B #65187B #7B3318 #2F7B18
split-complementary
#18607B #7B182F #7B6518
monochromatic
#05141A #0E3848 #18607B #2288AE #36ACD8

Accessibility & contrast

On white

7.00
#18607B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

3.00
#18607B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18607B
7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18607B#FFFFFF#000000##FFFFFF
##18607B1.007.003.007.00
#FFFFFF7.001.0021.001.00
#0000003.0021.001.0021.00
##FFFFFF7.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#525E7C
Deuteranopia (green-blind)
#45557B
Tritanopia (blue-blind)
#006869
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #18607b;
/* rgb */ color: rgb(24, 96, 123);
/* oklch */ color: oklch(45.9% 0.080 228.2);
Tailwind
colors: {
  custom: {
    50: '#668da1',
    500: '#18607b',
    950: '#000000',
  },
}
SCSS
$custom: #18607b;
$custom-light: #668da1;
$custom-dark: #000000;
JSON
{
  "hex": "#18607b",
  "rgb": {
    "r": 24,
    "g": 96,
    "b": 123
  },
  "hsl": {
    "h": 196.364,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.45902,
    "c": 0.08038,
    "h": 228.2
  },
  "luminance": 0.0999
}

Semantic roles & 50–950 ramp

primary
#18607B
secondary
#B05E3F
accent
#6D3EEA
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E

Preview Lab

Preview with #18607B

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

Preview Lab → · Contrast checker → · Palette generator →

#18607B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva