#183441#183441

#183441 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.9% C 0.041 H 230.1°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#183441
RGB	rgb(24, 52, 65)
HSL	hsl(199, 46%, 17%)
HSV	hsv(199, 63%, 25%)
CMYK	cmyk(63.1%, 20%, 0%, 74.5%)
CIE-LAB	lab(20.17, -6.06, -11.35)
CIE-LCH	lch(20.17, 12.86, 241.91°)
OKLab	oklab(30.93% -0.0264 -0.0316)
OKLCH	oklch(30.93% 0.041 230.1)
XYZ	xyz(2.5585, 3.0316, 5.4503)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183441 #412518

analogous

#184139 #183441 #182041

triadic

#183441 #411834 #344118

tetradic

#183441 #391841 #412518 #204118

square

#183441 #391841 #412518 #204118

split-complementary

#183441 #411820 #413918

monochromatic

#081216 #081216 #183441 #29586E #397C9A

Accessibility & contrast

On white

13.07

#183441 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#183441 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183441

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183441	#FFFFFF	#000000	##FFFFFF
##183441	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3342

Deuteranopia (green-blind)

#282F41

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #183441;
/* rgb */ color: rgb(24, 52, 65);
/* oklch */ color: oklch(30.9% 0.041 230.1);

Tailwind

colors: {
  custom: {
    50: '#596b75',
    500: '#183441',
    950: '#000000',
  },
}

SCSS

$custom: #183441;
$custom-light: #596b75;
$custom-dark: #000000;

JSON

{
  "hex": "#183441",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 65
  },
  "hsl": {
    "h": 199.024,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.30929,
    "c": 0.04116,
    "h": 230.1
  },
  "luminance": 0.03032
}

Semantic roles & 50–950 ramp

primary

#183441

secondary

#78503D

accent

#7C52D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183441

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

Preview Lab → · Contrast checker → · Palette generator →