#183145#183145

#183145 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.048 H 244.5°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#183145
RGB	rgb(24, 49, 69)
HSL	hsl(207, 48%, 18%)
HSV	hsv(207, 65%, 27%)
CMYK	cmyk(65.2%, 29%, 0%, 72.9%)
CIE-LAB	lab(19.31, -2.54, -15.39)
CIE-LCH	lch(19.31, 15.60, 260.64°)
OKLab	oklab(30.31% -0.0206 -0.0432)
OKLCH	oklch(30.31% 0.048 244.5)
XYZ	xyz(2.5488, 2.8203, 6.0391)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183145 #452C18

analogous

#184542 #183145 #181A45

triadic

#183145 #451831 #314518

tetradic

#183145 #421845 #452C18 #1A4518

square

#183145 #421845 #452C18 #1A4518

split-complementary

#183145 #45181A #454218

monochromatic

#081017 #081118 #183145 #285172 #3871A0

Accessibility & contrast

On white

13.43

#183145 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#183145 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183145

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183145	#FFFFFF	#000000	##FFFFFF
##183145	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283146

Deuteranopia (green-blind)

#222D45

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #183145;
/* rgb */ color: rgb(24, 49, 69);
/* oklch */ color: oklch(30.3% 0.048 244.5);

Tailwind

colors: {
  custom: {
    50: '#596878',
    500: '#183145',
    950: '#000000',
  },
}

SCSS

$custom: #183145;
$custom-light: #596878;
$custom-dark: #000000;

JSON

{
  "hex": "#183145",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 69
  },
  "hsl": {
    "h": 206.667,
    "s": 48.387,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30312,
    "c": 0.04788,
    "h": 244.5
  },
  "luminance": 0.0282
}

Semantic roles & 50–950 ramp

primary

#183145

secondary

#7C593D

accent

#8C50D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #183145

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

Preview Lab → · Contrast checker → · Palette generator →