#18435D#18435D

#18435D is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.6% C 0.065 H 238.8°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX#18435D
RGBrgb(24, 67, 93)
HSLhsl(203, 59%, 23%)
HSVhsv(203, 74%, 36%)
CMYKcmyk(74.2%, 28%, 0%, 63.5%)
CIE-LABlab(26.73, -5.21, -19.73)
CIE-LCHlch(26.73, 20.40, 255.21°)
OKLaboklab(36.59% -0.0337 -0.0556)
OKLCHoklch(36.59% 0.065 238.8)
XYZxyz(4.3589, 4.9983, 11.0889)
Luminance0.0500 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18435D #5D3218
analogous
#185D54 #18435D #18205D
triadic
#18435D #5D1843 #435D18
tetradic
#18435D #54185D #5D3218 #205D18
square
#18435D #54185D #5D3218 #205D18
split-complementary
#18435D #5D1820 #5D5418
monochromatic
#061218 #0B202C #18435D #25668E #3189BE

Accessibility & contrast

On white

10.50
#18435D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#18435D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18435D
10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18435D#FFFFFF#000000##FFFFFF
##18435D1.0010.502.0010.50
#FFFFFF10.501.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#37435E
Deuteranopia (green-blind)
#2D3C5D
Tritanopia (blue-blind)
#004A4C
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #18435d;
/* rgb */ color: rgb(24, 67, 93);
/* oklch */ color: oklch(36.6% 0.065 238.8);
Tailwind
colors: {
  custom: {
    50: '#5f778b',
    500: '#18435d',
    950: '#000000',
  },
}
SCSS
$custom: #18435d;
$custom-light: #5f778b;
$custom-dark: #000000;
JSON
{
  "hex": "#18435d",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 93
  },
  "hsl": {
    "h": 202.609,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3659,
    "c": 0.06497,
    "h": 238.8
  },
  "luminance": 0.04999
}

Semantic roles & 50–950 ramp

primary
#18435D
secondary
#935E3D
accent
#8146E2
background
#F5F7F8
surface
#EAEDF0
border
#C6C8CB
text
#05080C
muted
#797B7D

Preview Lab

Preview with #18435D

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

Preview Lab → · Contrast checker → · Palette generator →

#18435D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva