#18548B#18548B

#18548B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.109 H 250.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#18548B
RGB	rgb(24, 84, 139)
HSL	hsl(209, 71%, 32%)
HSV	hsv(209, 83%, 55%)
CMYK	cmyk(82.7%, 39.6%, 0%, 45.5%)
CIE-LAB	lab(34.80, 2.02, -35.87)
CIE-LCH	lch(34.80, 35.93, 273.23°)
OKLab	oklab(43.78% -0.0364 -0.1024)
OKLCH	oklch(43.78% 0.109 250.4)
XYZ	xyz(8.2054, 8.3979, 25.6096)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18548B #8B4F18

analogous

#188B89 #18548B #181A8B

triadic

#18548B #8B1854 #548B18

tetradic

#18548B #89188B #8B4F18 #1A8B18

square

#18548B #89188B #8B4F18 #1A8B18

split-complementary

#18548B #8B181A #8B8918

monochromatic

#061523 #0F3457 #18548B #2174BF #3F92DE

Accessibility & contrast

On white

7.84

#18548B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#18548B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18548B

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18548B	#FFFFFF	#000000	##FFFFFF
##18548B	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A578D

Deuteranopia (green-blind)

#284D8A

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18548b;
/* rgb */ color: rgb(24, 84, 139);
/* oklch */ color: oklch(43.8% 0.109 250.4);

Tailwind

colors: {
  custom: {
    50: '#6983ad',
    500: '#18548b',
    950: '#000000',
  },
}

SCSS

$custom: #18548b;
$custom-light: #6983ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18548b",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 139
  },
  "hsl": {
    "h": 208.696,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43778,
    "c": 0.1087,
    "h": 250.4
  },
  "luminance": 0.08399
}

Semantic roles & 50–950 ramp

primary

#18548B

secondary

#BE7D40

accent

#903AED

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18548B

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

Preview Lab → · Contrast checker → · Palette generator →