#18647D#18647D

#18647D is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.081 H 225.2°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#18647D
RGB	rgb(24, 100, 125)
HSL	hsl(195, 68%, 29%)
HSV	hsv(195, 81%, 49%)
CMYK	cmyk(80.8%, 20%, 0%, 51%)
CIE-LAB	lab(39.22, -13.26, -20.39)
CIE-LCH	lch(39.22, 24.32, 236.97°)
OKLab	oklab(47.05% -0.0569 -0.0572)
OKLCH	oklch(47.05% 0.081 225.2)
XYZ	xyz(8.6340, 10.7881, 21.0253)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18647D #7D3118

analogous

#187D64 #18647D #18327D

triadic

#18647D #7D1864 #647D18

tetradic

#18647D #64187D #7D3118 #327D18

square

#18647D #64187D #7D3118 #327D18

split-complementary

#18647D #7D1832 #7D6418

monochromatic

#05151A #0E3B4A #18647D #228DB0 #37B1D9

Accessibility & contrast

On white

6.65

#18647D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#18647D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18647D

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18647D	#FFFFFF	#000000	##FFFFFF
##18647D	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56627E

Deuteranopia (green-blind)

#49587D

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #18647d;
/* rgb */ color: rgb(24, 100, 125);
/* oklch */ color: oklch(47.1% 0.081 225.2);

Tailwind

colors: {
  custom: {
    50: '#6790a2',
    500: '#18647d',
    950: '#000000',
  },
}

SCSS

$custom: #18647d;
$custom-light: #6790a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18647d",
  "rgb": {
    "r": 24,
    "g": 100,
    "b": 125
  },
  "hsl": {
    "h": 194.851,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.47051,
    "c": 0.08067,
    "h": 225.2
  },
  "luminance": 0.10789
}

Semantic roles & 50–950 ramp

primary

#18647D

secondary

#B25C3F

accent

#683DEB

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #18647D

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

Preview Lab → · Contrast checker → · Palette generator →