#183243#183243

#183243 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.5% C 0.044 H 239.2°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#183243
RGB	rgb(24, 50, 67)
HSL	hsl(204, 47%, 18%)
HSV	hsv(204, 64%, 26%)
CMYK	cmyk(64.2%, 25.4%, 0%, 73.7%)
CIE-LAB	lab(19.56, -3.98, -13.65)
CIE-LCH	lch(19.56, 14.22, 253.75°)
OKLab	oklab(30.48% -0.0228 -0.0382)
OKLCH	oklch(30.48% 0.044 239.2)
XYZ	xyz(2.5300, 2.8804, 5.7317)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183243 #432918

analogous

#18433E #183243 #181C43

triadic

#183243 #431832 #324318

tetradic

#183243 #3E1843 #432918 #1C4318

square

#183243 #3E1843 #432918 #1C4318

split-complementary

#183243 #43181C #433E18

monochromatic

#081117 #081117 #183243 #285470 #38759D

Accessibility & contrast

On white

13.32

#183243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#183243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183243

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183243	#FFFFFF	#000000	##FFFFFF
##183243	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3244

Deuteranopia (green-blind)

#242D43

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #183243;
/* rgb */ color: rgb(24, 50, 67);
/* oklch */ color: oklch(30.5% 0.044 239.2);

Tailwind

colors: {
  custom: {
    50: '#596977',
    500: '#183243',
    950: '#000000',
  },
}

SCSS

$custom: #183243;
$custom-light: #596977;
$custom-dark: #000000;

JSON

{
  "hex": "#183243",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 203.721,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.30475,
    "c": 0.04446,
    "h": 239.2
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#183243

secondary

#7A553D

accent

#8651D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183243

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

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