#18426B#18426B

#18426B is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.2% C 0.085 H 250.7°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX#18426B
RGBrgb(24, 66, 107)
HSLhsl(210, 63%, 26%)
HSVhsv(210, 78%, 42%)
CMYKcmyk(77.6%, 38.3%, 0%, 58%)
CIE-LABlab(27.16, 1.02, -28.04)
CIE-LCHlch(27.16, 28.06, 272.09°)
OKLaboklab(37.18% -0.0279 -0.0798)
OKLCHoklch(37.18% 0.085 250.7)
XYZxyz(4.9777, 5.1516, 14.6391)
Luminance0.0515 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18426B #6B4118
analogous
#186B6A #18426B #18186B
triadic
#18426B #6B1842 #426B18
tetradic
#18426B #6A186B #6B4118 #186B18
square
#18426B #6A186B #6B4118 #186B18
split-complementary
#18426B #6B1818 #6B6A18
monochromatic
#060F19 #0D2339 #18426B #23619D #2E80CF

Accessibility & contrast

On white

10.34
#18426B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#18426B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18426B
10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18426B#FFFFFF#000000##FFFFFF
##18426B1.0010.342.0310.34
#FFFFFF10.341.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F446D
Deuteranopia (green-blind)
#233D6A
Tritanopia (blue-blind)
#004C51
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #18426b;
/* rgb */ color: rgb(24, 66, 107);
/* oklch */ color: oklch(37.2% 0.085 250.7);
Tailwind
colors: {
  custom: {
    50: '#617695',
    500: '#18426b',
    950: '#000000',
  },
}
SCSS
$custom: #18426b;
$custom-light: #617695;
$custom-dark: #000000;
JSON
{
  "hex": "#18426b",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 107
  },
  "hsl": {
    "h": 209.639,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37182,
    "c": 0.08452,
    "h": 250.7
  },
  "luminance": 0.05152
}

Semantic roles & 50–950 ramp

primary
#18426B
secondary
#A16F3E
accent
#9341E6
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #18426B

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

Preview Lab → · Contrast checker → · Palette generator →

#18426B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva