#183D46#183D46

#183D46 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.7% C 0.045 H 216.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#183D46
RGB	rgb(24, 61, 70)
HSL	hsl(192, 49%, 18%)
HSV	hsv(192, 66%, 27%)
CMYK	cmyk(65.7%, 12.9%, 0%, 72.5%)
CIE-LAB	lab(23.58, -10.01, -9.49)
CIE-LCH	lch(23.58, 13.79, 223.48°)
OKLab	oklab(33.73% -0.0361 -0.0263)
OKLCH	oklch(33.73% 0.045 216.1)
XYZ	xyz(3.1505, 3.9736, 6.3941)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183D46 #462118

analogous

#184638 #183D46 #182646

triadic

#183D46 #46183D #3D4618

tetradic

#183D46 #381846 #462118 #264618

square

#183D46 #381846 #462118 #264618

split-complementary

#183D46 #461826 #463818

monochromatic

#081417 #081518 #183D46 #286574 #378CA1

Accessibility & contrast

On white

11.70

#183D46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183D46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D46

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183D46	#FFFFFF	#000000	##FFFFFF
##183D46	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373B47

Deuteranopia (green-blind)

#303646

Tritanopia (blue-blind)

#004040

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183d46;
/* rgb */ color: rgb(24, 61, 70);
/* oklch */ color: oklch(33.7% 0.045 216.1);

Tailwind

colors: {
  custom: {
    50: '#5a7279',
    500: '#183d46',
    950: '#000000',
  },
}

SCSS

$custom: #183d46;
$custom-light: #5a7279;
$custom-dark: #000000;

JSON

{
  "hex": "#183d46",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 70
  },
  "hsl": {
    "h": 191.739,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33729,
    "c": 0.0447,
    "h": 216.1
  },
  "luminance": 0.03974
}

Semantic roles & 50–950 ramp

primary

#183D46

secondary

#7D4A3D

accent

#6A4FD8

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #183D46

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

Preview Lab → · Contrast checker → · Palette generator →