#18697B#18697B

#18697B is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.3% C 0.078 H 216.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#18697B
RGB	rgb(24, 105, 123)
HSL	hsl(191, 67%, 29%)
HSV	hsv(191, 80%, 48%)
CMYK	cmyk(80.5%, 14.6%, 0%, 51.8%)
CIE-LAB	lab(40.78, -16.82, -16.78)
CIE-LCH	lch(40.78, 23.76, 224.94°)
OKLab	oklab(48.27% -0.0629 -0.0469)
OKLCH	oklch(48.27% 0.078 216.7)
XYZ	xyz(9.0019, 11.7263, 20.5240)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18697B #7B2A18

analogous

#187B5C #18697B #18387B

triadic

#18697B #7B1869 #697B18

tetradic

#18697B #5C187B #7B2A18 #387B18

square

#18697B #5C187B #7B2A18 #387B18

split-complementary

#18697B #7B1838 #7B5C18

monochromatic

#05161A #0E3D48 #18697B #2295AE #36BAD8

Accessibility & contrast

On white

6.28

#18697B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#18697B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18697B

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18697B	#FFFFFF	#000000	##FFFFFF
##18697B	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D667C

Deuteranopia (green-blind)

#505C7B

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #18697b;
/* rgb */ color: rgb(24, 105, 123);
/* oklch */ color: oklch(48.3% 0.078 216.7);

Tailwind

colors: {
  custom: {
    50: '#6794a1',
    500: '#18697b',
    950: '#000000',
  },
}

SCSS

$custom: #18697b;
$custom-light: #6794a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18697b",
  "rgb": {
    "r": 24,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 190.909,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.48273,
    "c": 0.07847,
    "h": 216.7
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#18697B

secondary

#B0543F

accent

#5D3EEA

background

#F6F9F9

surface

#EBF1F2

border

#C6CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #18697B

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

Preview Lab → · Contrast checker → · Palette generator →