#18444D#18444D

#18444D is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.0% C 0.050 H 213.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#18444D
RGB	rgb(24, 68, 77)
HSL	hsl(190, 52%, 20%)
HSV	hsv(190, 69%, 30%)
CMYK	cmyk(68.8%, 11.7%, 0%, 69.8%)
CIE-LAB	lab(26.34, -11.80, -9.91)
CIE-LCH	lch(26.34, 15.41, 220.02°)
OKLab	oklab(36.04% -0.0417 -0.0275)
OKLCH	oklch(36.04% 0.05 213.4)
XYZ	xyz(3.7828, 4.8639, 7.7592)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18444D #4D2118

analogous

#184D3C #18444D #18294D

triadic

#18444D #4D1844 #444D18

tetradic

#18444D #3C184D #4D2118 #294D18

square

#18444D #3C184D #4D2118 #294D18

split-complementary

#18444D #4D1829 #4D3C18

monochromatic

#071517 #091B1E #18444D #276D7C #3596AA

Accessibility & contrast

On white

10.64

#18444D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#18444D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18444D

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18444D	#FFFFFF	#000000	##FFFFFF
##18444D	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D424E

Deuteranopia (green-blind)

#353C4D

Tritanopia (blue-blind)

#004847

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #18444d;
/* rgb */ color: rgb(24, 68, 77);
/* oklch */ color: oklch(36.0% 0.050 213.4);

Tailwind

colors: {
  custom: {
    50: '#5c787e',
    500: '#18444d',
    950: '#000000',
  },
}

SCSS

$custom: #18444d;
$custom-light: #5c787e;
$custom-dark: #000000;

JSON

{
  "hex": "#18444d",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 77
  },
  "hsl": {
    "h": 190.189,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3604,
    "c": 0.05,
    "h": 213.4
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#18444D

secondary

#84493D

accent

#644CDC

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #18444D

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

Preview Lab → · Contrast checker → · Palette generator →