#182028#182028

#182028 is a very dark, near-neutral cyan. Relative luminance 0.014; OKLCH L 23.9% C 0.019 H 248.7°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#182028
RGB	rgb(24, 32, 40)
HSL	hsl(210, 25%, 13%)
HSV	hsv(210, 40%, 16%)
CMYK	cmyk(40%, 20%, 0%, 84.3%)
CIE-LAB	lab(11.83, -1.10, -6.55)
CIE-LCH	lch(11.83, 6.64, 260.42°)
OKLab	oklab(23.94% -0.007 -0.018)
OKLCH	oklch(23.94% 0.019 248.7)
XYZ	xyz(1.2761, 1.3804, 2.2063)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182028 #282018

analogous

#182828 #182028 #181828

triadic

#182028 #281820 #202818

tetradic

#182028 #281828 #282018 #182818

square

#182028 #281828 #282018 #182818

split-complementary

#182028 #281818 #282818

monochromatic

#0B0F13 #0B0F13 #182028 #2F3F4E #465D74

Accessibility & contrast

On white

16.46

#182028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#182028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182028

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182028	#FFFFFF	#000000	##FFFFFF
##182028	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2028

Deuteranopia (green-blind)

#1B1E28

Tritanopia (blue-blind)

#132223

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #182028;
/* rgb */ color: rgb(24, 32, 40);
/* oklch */ color: oklch(23.9% 0.019 248.7);

Tailwind

colors: {
  custom: {
    50: '#555b61',
    500: '#182028',
    950: '#000000',
  },
}

SCSS

$custom: #182028;
$custom-light: #555b61;
$custom-dark: #000000;

JSON

{
  "hex": "#182028",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 40
  },
  "hsl": {
    "h": 210,
    "s": 25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23939,
    "c": 0.01931,
    "h": 248.7
  },
  "luminance": 0.0138
}

Semantic roles & 50–950 ramp

primary

#182028

secondary

#5C4E40

accent

#9466C1

background

#F4F5F5

surface

#E8E9E9

border

#C4C5C5

text

#030405

muted

#787979

Preview Lab

Preview with #182028

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

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