#18293C#18293C

#18293C is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.6% C 0.042 H 252.1°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#18293C
RGB	rgb(24, 41, 60)
HSL	hsl(212, 43%, 16%)
HSV	hsv(212, 60%, 24%)
CMYK	cmyk(60%, 31.7%, 0%, 76.5%)
CIE-LAB	lab(16.04, -0.39, -14.30)
CIE-LCH	lch(16.04, 14.31, 268.44°)
OKLab	oklab(27.58% -0.0129 -0.0401)
OKLCH	oklch(27.58% 0.042 252.1)
XYZ	xyz(1.9850, 2.1062, 4.5760)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18293C #3C2B18

analogous

#183B3C #18293C #19183C

triadic

#18293C #3C1829 #293C18

tetradic

#18293C #3C183B #3C2B18 #183C19

square

#18293C #3C183B #3C2B18 #183C19

split-complementary

#18293C #3C1918 #3B3C18

monochromatic

#090F16 #090F16 #18293C #294768 #3B6593

Accessibility & contrast

On white

14.78

#18293C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#18293C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18293C

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18293C	#FFFFFF	#000000	##FFFFFF
##18293C	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212A3D

Deuteranopia (green-blind)

#1D263C

Tritanopia (blue-blind)

#062D30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18293c;
/* rgb */ color: rgb(24, 41, 60);
/* oklch */ color: oklch(27.6% 0.042 252.1);

Tailwind

colors: {
  custom: {
    50: '#586271',
    500: '#18293c',
    950: '#000000',
  },
}

SCSS

$custom: #18293c;
$custom-light: #586271;
$custom-dark: #000000;

JSON

{
  "hex": "#18293c",
  "rgb": {
    "r": 24,
    "g": 41,
    "b": 60
  },
  "hsl": {
    "h": 211.667,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27578,
    "c": 0.04214,
    "h": 252.1
  },
  "luminance": 0.02106
}

Semantic roles & 50–950 ramp

primary

#18293C

secondary

#72593E

accent

#9755D3

background

#F5F5F6

surface

#E9EAEC

border

#C5C6C7

text

#030507

muted

#78797A

Preview Lab

Preview with #18293C

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

Preview Lab → · Contrast checker → · Palette generator →