#18519B#18519B

#18519B is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.2% C 0.134 H 256.9°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#18519B
RGB	rgb(24, 81, 155)
HSL	hsl(214, 73%, 35%)
HSV	hsv(214, 85%, 61%)
CMYK	cmyk(84.5%, 47.7%, 0%, 39.2%)
CIE-LAB	lab(34.89, 10.49, -45.43)
CIE-LCH	lch(34.89, 46.63, 283.00°)
OKLab	oklab(44.18% -0.0303 -0.1306)
OKLCH	oklch(44.18% 0.134 256.9)
XYZ	xyz(9.2333, 8.4445, 32.1473)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18519B #9B6218

analogous

#18929B #18519B #20189B

triadic

#18519B #9B1851 #519B18

tetradic

#18519B #9B1892 #9B6218 #189B20

square

#18519B #9B1892 #9B6218 #189B20

split-complementary

#18519B #9B2018 #929B18

monochromatic

#081A31 #103566 #18519B #206DD0 #4A8DE3

Accessibility & contrast

On white

7.81

#18519B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#18519B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18519B

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18519B	#FFFFFF	#000000	##FFFFFF
##18519B	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28589E

Deuteranopia (green-blind)

#004D9A

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18519b;
/* rgb */ color: rgb(24, 81, 155);
/* oklch */ color: oklch(44.2% 0.134 256.9);

Tailwind

colors: {
  custom: {
    50: '#6d81b9',
    500: '#18519b',
    950: '#000000',
  },
}

SCSS

$custom: #18519b;
$custom-light: #6d81b9;
$custom-dark: #000000;

JSON

{
  "hex": "#18519b",
  "rgb": {
    "r": 24,
    "g": 81,
    "b": 155
  },
  "hsl": {
    "h": 213.893,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.44177,
    "c": 0.13405,
    "h": 256.9
  },
  "luminance": 0.08446
}

Semantic roles & 50–950 ramp

primary

#18519B

secondary

#C58F4A

accent

#A038F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #18519B

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

Preview Lab → · Contrast checker → · Palette generator →