#18353E#18353E

#18353E is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.038 H 220.4°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#18353E
RGB	rgb(24, 53, 62)
HSL	hsl(194, 44%, 17%)
HSV	hsv(194, 61%, 24%)
CMYK	cmyk(61.3%, 14.5%, 0%, 75.7%)
CIE-LAB	lab(20.39, -7.79, -8.97)
CIE-LCH	lch(20.39, 11.88, 229.01°)
OKLab	oklab(31.06% -0.0291 -0.0248)
OKLCH	oklch(31.06% 0.038 220.4)
XYZ	xyz(2.5190, 3.0880, 5.0198)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18353E #3E2118

analogous

#183E34 #18353E #18223E

triadic

#18353E #3E1835 #353E18

tetradic

#18353E #34183E #3E2118 #223E18

square

#18353E #34183E #3E2118 #223E18

split-complementary

#18353E #3E1822 #3E3418

monochromatic

#091316 #091316 #18353E #295B6A #3A8096

Accessibility & contrast

On white

12.98

#18353E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#18353E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18353E

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18353E	#FFFFFF	#000000	##FFFFFF
##18353E	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30343E

Deuteranopia (green-blind)

#2A2F3E

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18353e;
/* rgb */ color: rgb(24, 53, 62);
/* oklch */ color: oklch(31.1% 0.038 220.4);

Tailwind

colors: {
  custom: {
    50: '#596c73',
    500: '#18353e',
    950: '#000000',
  },
}

SCSS

$custom: #18353e;
$custom-light: #596c73;
$custom-dark: #000000;

JSON

{
  "hex": "#18353e",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 62
  },
  "hsl": {
    "h": 194.211,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.31063,
    "c": 0.0383,
    "h": 220.4
  },
  "luminance": 0.03088
}

Semantic roles & 50–950 ramp

primary

#18353E

secondary

#744A3D

accent

#7254D4

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #18353E

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

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