#182228#182228

#182228 is a very dark, near-neutral cyan. Relative luminance 0.015; OKLCH L 24.5% C 0.018 H 234.8°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#182228
RGB	rgb(24, 34, 40)
HSL	hsl(203, 25%, 13%)
HSV	hsv(203, 40%, 16%)
CMYK	cmyk(40%, 15%, 0%, 84.3%)
CIE-LAB	lab(12.55, -2.54, -5.45)
CIE-LCH	lch(12.55, 6.01, 245.01°)
OKLab	oklab(24.51% -0.0105 -0.0149)
OKLCH	oklch(24.51% 0.018 234.8)
XYZ	xyz(1.3316, 1.4914, 2.2248)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182228 #281E18

analogous

#182826 #182228 #181A28

triadic

#182228 #281822 #222818

tetradic

#182228 #261828 #281E18 #1A2818

square

#182228 #261828 #281E18 #1A2818

split-complementary

#182228 #28181A #282618

monochromatic

#0B1013 #0B1013 #182228 #2F434E #466374

Accessibility & contrast

On white

16.18

#182228 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#182228 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182228

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182228	#FFFFFF	#000000	##FFFFFF
##182228	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2228

Deuteranopia (green-blind)

#1D2028

Tritanopia (blue-blind)

#132424

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #182228;
/* rgb */ color: rgb(24, 34, 40);
/* oklch */ color: oklch(24.5% 0.018 234.8);

Tailwind

colors: {
  custom: {
    50: '#555c61',
    500: '#182228',
    950: '#000000',
  },
}

SCSS

$custom: #182228;
$custom-light: #555c61;
$custom-dark: #000000;

JSON

{
  "hex": "#182228",
  "rgb": {
    "r": 24,
    "g": 34,
    "b": 40
  },
  "hsl": {
    "h": 202.5,
    "s": 25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.24512,
    "c": 0.01825,
    "h": 234.8
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#182228

secondary

#5C4A40

accent

#8966C1

background

#F4F5F5

surface

#E8E9E9

border

#C4C5C5

text

#030405

muted

#787979

Preview Lab

Preview with #182228

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

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