#18353F#18353F

#18353F is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.039 H 222.8°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#18353F
RGB	rgb(24, 53, 63)
HSL	hsl(195, 45%, 17%)
HSV	hsv(195, 62%, 25%)
CMYK	cmyk(61.9%, 15.9%, 0%, 75.3%)
CIE-LAB	lab(20.44, -7.43, -9.58)
CIE-LCH	lch(20.44, 12.13, 232.19°)
OKLab	oklab(31.11% -0.0287 -0.0266)
OKLCH	oklch(31.11% 0.039 222.8)
XYZ	xyz(2.5467, 3.0990, 5.1656)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18353F #3F2218

analogous

#183F36 #18353F #18223F

triadic

#18353F #3F1835 #353F18

tetradic

#18353F #36183F #3F2218 #223F18

square

#18353F #36183F #3F2218 #223F18

split-complementary

#18353F #3F1822 #3F3618

monochromatic

#081316 #081316 #18353F #295A6B #3A8098

Accessibility & contrast

On white

12.96

#18353F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#18353F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18353F

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18353F	#FFFFFF	#000000	##FFFFFF
##18353F	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3440

Deuteranopia (green-blind)

#2A2F3F

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18353f;
/* rgb */ color: rgb(24, 53, 63);
/* oklch */ color: oklch(31.1% 0.039 222.8);

Tailwind

colors: {
  custom: {
    50: '#596c74',
    500: '#18353f',
    950: '#000000',
  },
}

SCSS

$custom: #18353f;
$custom-light: #596c74;
$custom-dark: #000000;

JSON

{
  "hex": "#18353f",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 63
  },
  "hsl": {
    "h": 195.385,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.31112,
    "c": 0.0391,
    "h": 222.8
  },
  "luminance": 0.03099
}

Semantic roles & 50–950 ramp

primary

#18353F

secondary

#754C3D

accent

#7453D5

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #18353F

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

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