#18548C#18548C

#18548C is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.110 H 250.8°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#18548C
RGB	rgb(24, 84, 140)
HSL	hsl(209, 71%, 32%)
HSV	hsv(209, 83%, 55%)
CMYK	cmyk(82.9%, 40%, 0%, 45.1%)
CIE-LAB	lab(34.86, 2.43, -36.39)
CIE-LCH	lch(34.86, 36.47, 273.81°)
OKLab	oklab(43.84% -0.0362 -0.1039)
OKLCH	oklch(43.84% 0.11 250.8)
XYZ	xyz(8.2788, 8.4273, 25.9962)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18548C #8C5018

analogous

#188C8A #18548C #181A8C

triadic

#18548C #8C1854 #548C18

tetradic

#18548C #8A188C #8C5018 #1A8C18

square

#18548C #8A188C #8C5018 #1A8C18

split-complementary

#18548C #8C181A #8C8A18

monochromatic

#061524 #0F3558 #18548C #2173C0 #4092DE

Accessibility & contrast

On white

7.82

#18548C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#18548C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18548C

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18548C	#FFFFFF	#000000	##FFFFFF
##18548C	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39588E

Deuteranopia (green-blind)

#274D8B

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18548c;
/* rgb */ color: rgb(24, 84, 140);
/* oklch */ color: oklch(43.8% 0.110 250.8);

Tailwind

colors: {
  custom: {
    50: '#6983ae',
    500: '#18548c',
    950: '#000000',
  },
}

SCSS

$custom: #18548c;
$custom-light: #6983ae;
$custom-dark: #000000;

JSON

{
  "hex": "#18548c",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 140
  },
  "hsl": {
    "h": 208.966,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43843,
    "c": 0.11004,
    "h": 250.8
  },
  "luminance": 0.08428
}

Semantic roles & 50–950 ramp

primary

#18548C

secondary

#BF7E41

accent

#913AED

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18548C

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

Preview Lab → · Contrast checker → · Palette generator →