#182C3A#182C3A

#182C3A is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.3% C 0.037 H 240.3°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#182C3A
RGB	rgb(24, 44, 58)
HSL	hsl(205, 41%, 16%)
HSV	hsv(205, 59%, 23%)
CMYK	cmyk(58.6%, 24.1%, 0%, 77.3%)
CIE-LAB	lab(16.99, -3.24, -11.43)
CIE-LCH	lch(16.99, 11.88, 254.17°)
OKLab	oklab(28.3% -0.0181 -0.0318)
OKLCH	oklch(28.3% 0.037 240.3)
XYZ	xyz(2.0408, 2.3009, 4.3387)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C3A #3A2618

analogous

#183A37 #182C3A #181B3A

triadic

#182C3A #3A182C #2C3A18

tetradic

#182C3A #37183A #3A2618 #1B3A18

square

#182C3A #37183A #3A2618 #1B3A18

split-complementary

#182C3A #3A181B #3A3718

monochromatic

#091016 #091016 #182C3A #2A4D65 #3C6E91

Accessibility & contrast

On white

14.38

#182C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#182C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C3A

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C3A	#FFFFFF	#000000	##FFFFFF
##182C3A	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262C3B

Deuteranopia (green-blind)

#21283A

Tritanopia (blue-blind)

#062F31

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #182c3a;
/* rgb */ color: rgb(24, 44, 58);
/* oklch */ color: oklch(28.3% 0.037 240.3);

Tailwind

colors: {
  custom: {
    50: '#576570',
    500: '#182c3a',
    950: '#000000',
  },
}

SCSS

$custom: #182c3a;
$custom-light: #576570;
$custom-dark: #000000;

JSON

{
  "hex": "#182c3a",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 58
  },
  "hsl": {
    "h": 204.706,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.28299,
    "c": 0.03664,
    "h": 240.3
  },
  "luminance": 0.02301
}

Semantic roles & 50–950 ramp

primary

#182C3A

secondary

#70523E

accent

#8957D1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030507

muted

#787A7A

Preview Lab

Preview with #182C3A

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

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