#18394D#18394D

#18394D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.052 H 237.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#18394D
RGB	rgb(24, 57, 77)
HSL	hsl(203, 52%, 20%)
HSV	hsv(203, 69%, 30%)
CMYK	cmyk(68.8%, 26%, 0%, 69.8%)
CIE-LAB	lab(22.50, -4.85, -15.82)
CIE-LCH	lch(22.50, 16.54, 252.94°)
OKLab	oklab(32.97% -0.0279 -0.0444)
OKLCH	oklch(32.97% 0.052 237.9)
XYZ	xyz(3.1789, 3.6560, 7.5579)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18394D #4D2C18

analogous

#184D47 #18394D #181E4D

triadic

#18394D #4D1839 #394D18

tetradic

#18394D #47184D #4D2C18 #1E4D18

square

#18394D #47184D #4D2C18 #1E4D18

split-complementary

#18394D #4D181E #4D4718

monochromatic

#071117 #09161E #18394D #275C7C #357EAA

Accessibility & contrast

On white

12.13

#18394D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#18394D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18394D

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18394D	#FFFFFF	#000000	##FFFFFF
##18394D	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394E

Deuteranopia (green-blind)

#28334D

Tritanopia (blue-blind)

#003E40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #18394d;
/* rgb */ color: rgb(24, 57, 77);
/* oklch */ color: oklch(33.0% 0.052 237.9);

Tailwind

colors: {
  custom: {
    50: '#5b6f7f',
    500: '#18394d',
    950: '#000000',
  },
}

SCSS

$custom: #18394d;
$custom-light: #5b6f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#18394d",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 77
  },
  "hsl": {
    "h": 202.642,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3297,
    "c": 0.05239,
    "h": 237.9
  },
  "luminance": 0.03656
}

Semantic roles & 50–950 ramp

primary

#18394D

secondary

#84583D

accent

#824CDC

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #18394D

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

Preview Lab → · Contrast checker → · Palette generator →