#183043#183043

#183043 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.046 H 244.1°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#183043
RGB	rgb(24, 48, 67)
HSL	hsl(207, 47%, 18%)
HSV	hsv(207, 64%, 26%)
CMYK	cmyk(64.2%, 28.4%, 0%, 73.7%)
CIE-LAB	lab(18.86, -2.62, -14.74)
CIE-LCH	lch(18.86, 14.97, 259.94°)
OKLab	oklab(29.92% -0.0201 -0.0413)
OKLCH	oklch(29.92% 0.046 244.1)
XYZ	xyz(2.4464, 2.7131, 5.7039)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183043 #432B18

analogous

#184340 #183043 #181A43

triadic

#183043 #431830 #304318

tetradic

#183043 #401843 #432B18 #1A4318

square

#183043 #401843 #432B18 #1A4318

split-complementary

#183043 #43181A #434018

monochromatic

#081017 #081017 #183043 #285070 #38719D

Accessibility & contrast

On white

13.61

#183043 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#183043 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183043

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183043	#FFFFFF	#000000	##FFFFFF
##183043	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283044

Deuteranopia (green-blind)

#222C43

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #183043;
/* rgb */ color: rgb(24, 48, 67);
/* oklch */ color: oklch(29.9% 0.046 244.1);

Tailwind

colors: {
  custom: {
    50: '#596877',
    500: '#183043',
    950: '#000000',
  },
}

SCSS

$custom: #183043;
$custom-light: #596877;
$custom-dark: #000000;

JSON

{
  "hex": "#183043",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 67
  },
  "hsl": {
    "h": 206.512,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.2992,
    "c": 0.04593,
    "h": 244.1
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#183043

secondary

#7A583D

accent

#8C51D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183043

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

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