#183041#183041

#183041 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.043 H 241.1°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#183041
RGB	rgb(24, 48, 65)
HSL	hsl(205, 46%, 17%)
HSV	hsv(205, 63%, 25%)
CMYK	cmyk(63.1%, 26.2%, 0%, 74.5%)
CIE-LAB	lab(18.75, -3.37, -13.53)
CIE-LCH	lch(18.75, 13.94, 255.99°)
OKLab	oklab(29.81% -0.0209 -0.0378)
OKLCH	oklch(29.81% 0.043 241.1)
XYZ	xyz(2.3874, 2.6895, 5.3933)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183041 #412918

analogous

#18413D #183041 #181C41

triadic

#183041 #411830 #304118

tetradic

#183041 #3D1841 #412918 #1C4118

square

#183041 #3D1841 #412918 #1C4118

split-complementary

#183041 #41181C #413D18

monochromatic

#081116 #081116 #183041 #29516E #39729A

Accessibility & contrast

On white

13.65

#183041 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#183041 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183041

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183041	#FFFFFF	#000000	##FFFFFF
##183041	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283042

Deuteranopia (green-blind)

#232C41

Tritanopia (blue-blind)

#003436

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #183041;
/* rgb */ color: rgb(24, 48, 65);
/* oklch */ color: oklch(29.8% 0.043 241.1);

Tailwind

colors: {
  custom: {
    50: '#596875',
    500: '#183041',
    950: '#000000',
  },
}

SCSS

$custom: #183041;
$custom-light: #596875;
$custom-dark: #000000;

JSON

{
  "hex": "#183041",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 65
  },
  "hsl": {
    "h": 204.878,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.29807,
    "c": 0.04321,
    "h": 241.1
  },
  "luminance": 0.0269
}

Semantic roles & 50–950 ramp

primary

#183041

secondary

#78553D

accent

#8952D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183041

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

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