#183453#183453

#183453 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.0% C 0.065 H 252.6°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#183453
RGB	rgb(24, 52, 83)
HSL	hsl(212, 55%, 21%)
HSV	hsv(212, 71%, 33%)
CMYK	cmyk(71.1%, 37.3%, 0%, 67.5%)
CIE-LAB	lab(21.11, 0.91, -21.98)
CIE-LCH	lch(21.11, 22.00, 272.36°)
OKLab	oklab(31.98% -0.0195 -0.0623)
OKLCH	oklch(31.98% 0.065 252.6)
XYZ	xyz(3.1654, 3.2744, 8.6471)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183453 #533718

analogous

#185153 #183453 #191853

triadic

#183453 #531834 #345318

tetradic

#183453 #531851 #533718 #185319

square

#183453 #531851 #533718 #185319

split-complementary

#183453 #531918 #515318

monochromatic

#070F18 #0A1624 #183453 #265282 #336FB2

Accessibility & contrast

On white

12.69

#183453 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#183453 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183453

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183453	#FFFFFF	#000000	##FFFFFF
##183453	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263654

Deuteranopia (green-blind)

#1E3052

Tritanopia (blue-blind)

#003B3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183453;
/* rgb */ color: rgb(24, 52, 83);
/* oklch */ color: oklch(32.0% 0.065 252.6);

Tailwind

colors: {
  custom: {
    50: '#5c6b83',
    500: '#183453',
    950: '#000000',
  },
}

SCSS

$custom: #183453;
$custom-light: #5c6b83;
$custom-dark: #000000;

JSON

{
  "hex": "#183453",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 83
  },
  "hsl": {
    "h": 211.525,
    "s": 55.14,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31982,
    "c": 0.06529,
    "h": 252.6
  },
  "luminance": 0.03275
}

Semantic roles & 50–950 ramp

primary

#183453

secondary

#8A653D

accent

#9849DE

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060A

muted

#797A7C

Preview Lab

Preview with #183453

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

Preview Lab → · Contrast checker → · Palette generator →