#18617B#18617B

#18617B is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.2% C 0.080 H 227.0°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#18617B
RGB	rgb(24, 97, 123)
HSL	hsl(196, 67%, 29%)
HSV	hsv(196, 80%, 48%)
CMYK	cmyk(80.5%, 21.1%, 0%, 51.8%)
CIE-LAB	lab(38.15, -12.25, -20.83)
CIE-LCH	lch(38.15, 24.16, 239.54°)
OKLab	oklab(46.16% -0.0546 -0.0585)
OKLCH	oklch(46.16% 0.08 227)
XYZ	xyz(8.2251, 10.1726, 20.2651)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18617B #7B3218

analogous

#187B64 #18617B #18307B

triadic

#18617B #7B1861 #617B18

tetradic

#18617B #64187B #7B3218 #307B18

square

#18617B #64187B #7B3218 #307B18

split-complementary

#18617B #7B1830 #7B6418

monochromatic

#05141A #0E3948 #18617B #2289AE #36ADD8

Accessibility & contrast

On white

6.92

#18617B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#18617B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18617B

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18617B	#FFFFFF	#000000	##FFFFFF
##18617B	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535F7C

Deuteranopia (green-blind)

#46567B

Tritanopia (blue-blind)

#00686A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #18617b;
/* rgb */ color: rgb(24, 97, 123);
/* oklch */ color: oklch(46.2% 0.080 227.0);

Tailwind

colors: {
  custom: {
    50: '#668ea1',
    500: '#18617b',
    950: '#000000',
  },
}

SCSS

$custom: #18617b;
$custom-light: #668ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#18617b",
  "rgb": {
    "r": 24,
    "g": 97,
    "b": 123
  },
  "hsl": {
    "h": 195.758,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.46164,
    "c": 0.07999,
    "h": 227
  },
  "luminance": 0.10174
}

Semantic roles & 50–950 ramp

primary

#18617B

secondary

#B05D3F

accent

#6B3EEA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #18617B

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

Preview Lab → · Contrast checker → · Palette generator →