#183142#183142

#183142 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.044 H 240.1°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#183142
RGB	rgb(24, 49, 66)
HSL	hsl(204, 47%, 18%)
HSV	hsv(204, 64%, 26%)
CMYK	cmyk(63.6%, 25.8%, 0%, 74.1%)
CIE-LAB	lab(19.16, -3.68, -13.59)
CIE-LCH	lch(19.16, 14.08, 254.86°)
OKLab	oklab(30.14% -0.0218 -0.038)
OKLCH	oklch(30.14% 0.044 240.1)
XYZ	xyz(2.4580, 2.7839, 5.5610)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183142 #422918

analogous

#18423E #183142 #181C42

triadic

#183142 #421831 #314218

tetradic

#183142 #3E1842 #422918 #1C4218

square

#183142 #3E1842 #422918 #1C4218

split-complementary

#183142 #42181C #423E18

monochromatic

#081116 #081116 #183142 #28526F #39749C

Accessibility & contrast

On white

13.49

#183142 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#183142 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183142

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183142	#FFFFFF	#000000	##FFFFFF
##183142	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293143

Deuteranopia (green-blind)

#242D42

Tritanopia (blue-blind)

#003537

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #183142;
/* rgb */ color: rgb(24, 49, 66);
/* oklch */ color: oklch(30.1% 0.044 240.1);

Tailwind

colors: {
  custom: {
    50: '#596976',
    500: '#183142',
    950: '#000000',
  },
}

SCSS

$custom: #183142;
$custom-light: #596976;
$custom-dark: #000000;

JSON

{
  "hex": "#183142",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 66
  },
  "hsl": {
    "h": 204.286,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.30141,
    "c": 0.04383,
    "h": 240.1
  },
  "luminance": 0.02784
}

Semantic roles & 50–950 ramp

primary

#183142

secondary

#79553D

accent

#8751D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183142

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

Preview Lab → · Contrast checker → · Palette generator →