#18748B#18748B

#18748B is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 51.9% C 0.087 H 219.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#18748B
RGB	rgb(24, 116, 139)
HSL	hsl(192, 71%, 32%)
HSV	hsv(192, 83%, 55%)
CMYK	cmyk(82.7%, 16.5%, 0%, 45.5%)
CIE-LAB	lab(45.01, -17.25, -19.89)
CIE-LCH	lch(45.01, 26.33, 229.07°)
OKLab	oklab(51.89% -0.0674 -0.0557)
OKLCH	oklch(51.89% 0.087 219.5)
XYZ	xyz(11.2803, 14.5476, 26.6345)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18748B #8B2F18

analogous

#188B69 #18748B #183B8B

triadic

#18748B #8B1874 #748B18

tetradic

#18748B #69188B #8B2F18 #3B8B18

square

#18748B #69188B #8B2F18 #3B8B18

split-complementary

#18748B #8B183B #8B6918

monochromatic

#061D23 #0F4857 #18748B #21A0BF #3FBEDE

Accessibility & contrast

On white

5.37

#18748B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#18748B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18748B

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18748B	#FFFFFF	#000000	##FFFFFF
##18748B	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718C

Deuteranopia (green-blind)

#57668B

Tritanopia (blue-blind)

#007C7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #18748b;
/* rgb */ color: rgb(24, 116, 139);
/* oklch */ color: oklch(51.9% 0.087 219.5);

Tailwind

colors: {
  custom: {
    50: '#6b9cad',
    500: '#18748b',
    950: '#000000',
  },
}

SCSS

$custom: #18748b;
$custom-light: #6b9cad;
$custom-dark: #000000;

JSON

{
  "hex": "#18748b",
  "rgb": {
    "r": 24,
    "g": 116,
    "b": 139
  },
  "hsl": {
    "h": 192,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51893,
    "c": 0.08747,
    "h": 219.5
  },
  "luminance": 0.14549
}

Semantic roles & 50–950 ramp

primary

#18748B

secondary

#BE5A40

accent

#5E3AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18748B

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

Preview Lab → · Contrast checker → · Palette generator →