#183541#183541

#183541 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.2% C 0.041 H 227.3°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#183541
RGB	rgb(24, 53, 65)
HSL	hsl(198, 46%, 17%)
HSV	hsv(198, 63%, 25%)
CMYK	cmyk(63.1%, 18.5%, 0%, 74.5%)
CIE-LAB	lab(20.53, -6.71, -10.80)
CIE-LCH	lch(20.53, 12.72, 238.14°)
OKLab	oklab(31.21% -0.0277 -0.03)
OKLCH	oklch(31.21% 0.041 227.3)
XYZ	xyz(2.6036, 3.1218, 5.4654)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183541 #412418

analogous

#184138 #183541 #182141

triadic

#183541 #411835 #354118

tetradic

#183541 #381841 #412418 #214118

square

#183541 #381841 #412418 #214118

split-complementary

#183541 #411821 #413818

monochromatic

#081216 #081216 #183541 #29596E #397E9A

Accessibility & contrast

On white

12.93

#183541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#183541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183541

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183541	#FFFFFF	#000000	##FFFFFF
##183541	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3442

Deuteranopia (green-blind)

#293041

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #183541;
/* rgb */ color: rgb(24, 53, 65);
/* oklch */ color: oklch(31.2% 0.041 227.3);

Tailwind

colors: {
  custom: {
    50: '#596c75',
    500: '#183541',
    950: '#000000',
  },
}

SCSS

$custom: #183541;
$custom-light: #596c75;
$custom-dark: #000000;

JSON

{
  "hex": "#183541",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 65
  },
  "hsl": {
    "h": 197.561,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.31212,
    "c": 0.0409,
    "h": 227.3
  },
  "luminance": 0.03122
}

Semantic roles & 50–950 ramp

primary

#183541

secondary

#784E3D

accent

#7952D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183541

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

Preview Lab → · Contrast checker → · Palette generator →