#00182C#00182C

#00182C is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.2% C 0.051 H 245.3°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).

Color values

HEX	#00182C
RGB	rgb(0, 24, 44)
HSL	hsl(207, 100%, 9%)
HSV	hsv(207, 100%, 17%)
CMYK	cmyk(100%, 45.5%, 0%, 82.7%)
CIE-LAB	lab(7.54, -0.51, -16.27)
CIE-LCH	lch(7.54, 16.28, 268.19°)
OKLab	oklab(20.22% -0.0214 -0.0465)
OKLCH	oklch(20.22% 0.051 245.3)
XYZ	xyz(0.7811, 0.8350, 2.5024)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00182C #2C1400

analogous

#002C2A #00182C #00022C

triadic

#00182C #2C0018 #182C00

tetradic

#00182C #2A002C #2C1400 #022C00

square

#00182C #2A002C #2C1400 #022C00

split-complementary

#00182C #2C0002 #2C2A00

monochromatic

#00111F #00111F #00182C #003969 #005BA6

Accessibility & contrast

On white

17.99

#00182C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#00182C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00182C

17.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00182C	#FFFFFF	#000000	##FFFFFF
##00182C	1.00	17.99	1.17	17.99
#FFFFFF	17.99	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E192D

Deuteranopia (green-blind)

#07152C

Tritanopia (blue-blind)

#001D1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #00182c;
/* rgb */ color: rgb(0, 24, 44);
/* oklch */ color: oklch(20.2% 0.051 245.3);

Tailwind

colors: {
  custom: {
    50: '#485465',
    500: '#00182c',
    950: '#000000',
  },
}

SCSS

$custom: #00182c;
$custom-light: #485465;
$custom-dark: #000000;

JSON

{
  "hex": "#00182c",
  "rgb": {
    "r": 0,
    "g": 24,
    "b": 44
  },
  "hsl": {
    "h": 207.273,
    "s": 100,
    "l": 8.627
  },
  "oklch": {
    "l": 0.20218,
    "c": 0.05122,
    "h": 245.3
  },
  "luminance": 0.00835
}

Semantic roles & 50–950 ramp

primary

#00182C

secondary

#734014

accent

#8A29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #00182C

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

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