#18518F#18518F

#18518F is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.3% C 0.118 H 253.8°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#18518F
RGB	rgb(24, 81, 143)
HSL	hsl(211, 71%, 33%)
HSV	hsv(211, 83%, 56%)
CMYK	cmyk(83.2%, 43.4%, 0%, 43.9%)
CIE-LAB	lab(34.11, 5.62, -39.41)
CIE-LCH	lch(34.11, 39.81, 278.11°)
OKLab	oklab(43.32% -0.0328 -0.1129)
OKLCH	oklch(43.32% 0.118 253.8)
XYZ	xyz(8.2752, 8.0612, 27.1011)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18518F #8F5618

analogous

#188C8F #18518F #1B188F

triadic

#18518F #8F1851 #518F18

tetradic

#18518F #8F188C #8F5618 #188F1B

square

#18518F #8F188C #8F5618 #188F1B

split-complementary

#18518F #8F1B18 #8C8F18

monochromatic

#061626 #0F335B #18518F #216FC3 #428DDF

Accessibility & contrast

On white

8.04

#18518F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#18518F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18518F

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18518F	#FFFFFF	#000000	##FFFFFF
##18518F	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325691

Deuteranopia (green-blind)

#1C4B8E

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18518f;
/* rgb */ color: rgb(24, 81, 143);
/* oklch */ color: oklch(43.3% 0.118 253.8);

Tailwind

colors: {
  custom: {
    50: '#6a81b0',
    500: '#18518f',
    950: '#000000',
  },
}

SCSS

$custom: #18518f;
$custom-light: #6a81b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18518f",
  "rgb": {
    "r": 24,
    "g": 81,
    "b": 143
  },
  "hsl": {
    "h": 211.261,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43319,
    "c": 0.11753,
    "h": 253.8
  },
  "luminance": 0.08062
}

Semantic roles & 50–950 ramp

primary

#18518F

secondary

#C08443

accent

#983AEE

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #18518F

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

Preview Lab → · Contrast checker → · Palette generator →