#18618F#18618F

#18618F is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.101 H 242.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#18618F
RGB	rgb(24, 97, 143)
HSL	hsl(203, 71%, 33%)
HSV	hsv(203, 83%, 56%)
CMYK	cmyk(83.2%, 32.2%, 0%, 43.9%)
CIE-LAB	lab(39.11, -4.65, -31.47)
CIE-LCH	lch(39.11, 31.81, 261.59°)
OKLab	oklab(47.25% -0.0473 -0.0893)
OKLCH	oklch(47.25% 0.101 242.1)
XYZ	xyz(9.6074, 10.7256, 27.5452)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18618F #8F4618

analogous

#188F81 #18618F #18268F

triadic

#18618F #8F1861 #618F18

tetradic

#18618F #81188F #8F4618 #268F18

square

#18618F #81188F #8F4618 #268F18

split-complementary

#18618F #8F1826 #8F8118

monochromatic

#061A26 #0F3D5B #18618F #2185C3 #42A3DF

Accessibility & contrast

On white

6.68

#18618F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#18618F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18618F

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18618F	#FFFFFF	#000000	##FFFFFF
##18618F	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6291

Deuteranopia (green-blind)

#3B578E

Tritanopia (blue-blind)

#006C71

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #18618f;
/* rgb */ color: rgb(24, 97, 143);
/* oklch */ color: oklch(47.2% 0.101 242.1);

Tailwind

colors: {
  custom: {
    50: '#6a8db0',
    500: '#18618f',
    950: '#000000',
  },
}

SCSS

$custom: #18618f;
$custom-light: #6a8db0;
$custom-dark: #000000;

JSON

{
  "hex": "#18618f",
  "rgb": {
    "r": 24,
    "g": 97,
    "b": 143
  },
  "hsl": {
    "h": 203.193,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.47248,
    "c": 0.10106,
    "h": 242.1
  },
  "luminance": 0.10727
}

Semantic roles & 50–950 ramp

primary

#18618F

secondary

#C07343

accent

#7F3AEE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #18618F

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

Preview Lab → · Contrast checker → · Palette generator →