#183141#183141

#183141 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.043 H 238.5°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#183141
RGB	rgb(24, 49, 65)
HSL	hsl(203, 46%, 17%)
HSV	hsv(203, 63%, 25%)
CMYK	cmyk(63.1%, 24.6%, 0%, 74.5%)
CIE-LAB	lab(19.11, -4.05, -12.98)
CIE-LCH	lch(19.11, 13.60, 252.65°)
OKLab	oklab(30.09% -0.0223 -0.0363)
OKLCH	oklch(30.09% 0.043 238.5)
XYZ	xyz(2.4288, 2.7723, 5.4071)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183141 #412818

analogous

#18413D #183141 #181C41

triadic

#183141 #411831 #314118

tetradic

#183141 #3D1841 #412818 #1C4118

square

#183141 #3D1841 #412818 #1C4118

split-complementary

#183141 #41181C #413D18

monochromatic

#081116 #081116 #183141 #29536E #39749A

Accessibility & contrast

On white

13.51

#183141 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#183141 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183141

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183141	#FFFFFF	#000000	##FFFFFF
##183141	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3142

Deuteranopia (green-blind)

#242D41

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #183141;
/* rgb */ color: rgb(24, 49, 65);
/* oklch */ color: oklch(30.1% 0.043 238.5);

Tailwind

colors: {
  custom: {
    50: '#596975',
    500: '#183141',
    950: '#000000',
  },
}

SCSS

$custom: #183141;
$custom-light: #596975;
$custom-dark: #000000;

JSON

{
  "hex": "#183141",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 65
  },
  "hsl": {
    "h": 203.415,
    "s": 46.067,
    "l": 17.451
  },
  "oklch": {
    "l": 0.30086,
    "c": 0.04256,
    "h": 238.5
  },
  "luminance": 0.02772
}

Semantic roles & 50–950 ramp

primary

#183141

secondary

#78543D

accent

#8552D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183141

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

Preview Lab → · Contrast checker → · Palette generator →