#183646#183646

#183646 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.8% C 0.046 H 234.1°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#183646
RGB	rgb(24, 54, 70)
HSL	hsl(201, 49%, 18%)
HSV	hsv(201, 66%, 27%)
CMYK	cmyk(65.7%, 22.9%, 0%, 72.5%)
CIE-LAB	lab(21.11, -5.52, -13.28)
CIE-LCH	lch(21.11, 14.38, 247.41°)
OKLab	oklab(31.76% -0.0269 -0.0371)
OKLCH	oklch(31.76% 0.046 234.1)
XYZ	xyz(2.8009, 3.2745, 6.2776)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183646 #462818

analogous

#18463F #183646 #181F46

triadic

#183646 #461836 #364618

tetradic

#183646 #3F1846 #462818 #1F4618

square

#183646 #3F1846 #462818 #1F4618

split-complementary

#183646 #46181F #463F18

monochromatic

#081217 #081318 #183646 #285974 #377CA1

Accessibility & contrast

On white

12.69

#183646 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#183646 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183646

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183646	#FFFFFF	#000000	##FFFFFF
##183646	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3547

Deuteranopia (green-blind)

#283146

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183646;
/* rgb */ color: rgb(24, 54, 70);
/* oklch */ color: oklch(31.8% 0.046 234.1);

Tailwind

colors: {
  custom: {
    50: '#5a6d79',
    500: '#183646',
    950: '#000000',
  },
}

SCSS

$custom: #183646;
$custom-light: #5a6d79;
$custom-dark: #000000;

JSON

{
  "hex": "#183646",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 70
  },
  "hsl": {
    "h": 200.87,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.31755,
    "c": 0.04583,
    "h": 234.1
  },
  "luminance": 0.03275
}

Semantic roles & 50–950 ramp

primary

#183646

secondary

#7D533D

accent

#7F4FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #183646

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

Preview Lab → · Contrast checker → · Palette generator →