#18647A#18647A

#18647A is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 46.9% C 0.078 H 222.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#18647A
RGB	rgb(24, 100, 122)
HSL	hsl(193, 67%, 29%)
HSV	hsv(193, 80%, 48%)
CMYK	cmyk(80.3%, 18%, 0%, 52.2%)
CIE-LAB	lab(39.09, -14.35, -18.76)
CIE-LCH	lch(39.09, 23.62, 232.59°)
OKLab	oklab(46.91% -0.0581 -0.0525)
OKLCH	oklch(46.91% 0.078 222.1)
XYZ	xyz(8.4452, 10.7126, 20.0312)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18647A #7A2E18

analogous

#187A5F #18647A #18337A

triadic

#18647A #7A1864 #647A18

tetradic

#18647A #5F187A #7A2E18 #337A18

square

#18647A #5F187A #7A2E18 #337A18

split-complementary

#18647A #7A1833 #7A5F18

monochromatic

#05151A #0E3A47 #18647A #228EAD #35B3D7

Accessibility & contrast

On white

6.68

#18647A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#18647A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18647A

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18647A	#FFFFFF	#000000	##FFFFFF
##18647A	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57617B

Deuteranopia (green-blind)

#4A587A

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #18647a;
/* rgb */ color: rgb(24, 100, 122);
/* oklch */ color: oklch(46.9% 0.078 222.1);

Tailwind

colors: {
  custom: {
    50: '#6690a0',
    500: '#18647a',
    950: '#000000',
  },
}

SCSS

$custom: #18647a;
$custom-light: #6690a0;
$custom-dark: #000000;

JSON

{
  "hex": "#18647a",
  "rgb": {
    "r": 24,
    "g": 100,
    "b": 122
  },
  "hsl": {
    "h": 193.469,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.46905,
    "c": 0.07835,
    "h": 222.1
  },
  "luminance": 0.10714
}

Semantic roles & 50–950 ramp

primary

#18647A

secondary

#AF583F

accent

#643EEA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #18647A

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

Preview Lab → · Contrast checker → · Palette generator →