#18498F#18498F

#18498F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.127 H 258.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#18498F
RGB	rgb(24, 73, 143)
HSL	hsl(215, 71%, 33%)
HSV	hsv(215, 83%, 56%)
CMYK	cmyk(83.2%, 49%, 0%, 43.9%)
CIE-LAB	lab(31.67, 11.00, -43.32)
CIE-LCH	lch(31.67, 44.70, 284.25°)
OKLab	oklab(41.43% -0.0261 -0.1245)
OKLCH	oklch(41.43% 0.127 258.2)
XYZ	xyz(7.7153, 6.9415, 26.9145)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18498F #8F5E18

analogous

#18848F #18498F #22188F

triadic

#18498F #8F1849 #498F18

tetradic

#18498F #8F1884 #8F5E18 #188F22

square

#18498F #8F1884 #8F5E18 #188F22

split-complementary

#18498F #8F2218 #848F18

monochromatic

#061326 #0F2E5B #18498F #2164C3 #4283DF

Accessibility & contrast

On white

8.79

#18498F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#18498F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18498F

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18498F	#FFFFFF	#000000	##FFFFFF
##18498F	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215092

Deuteranopia (green-blind)

#00468E

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #18498f;
/* rgb */ color: rgb(24, 73, 143);
/* oklch */ color: oklch(41.4% 0.127 258.2);

Tailwind

colors: {
  custom: {
    50: '#6a7bb0',
    500: '#18498f',
    950: '#000000',
  },
}

SCSS

$custom: #18498f;
$custom-light: #6a7bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#18498f",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 143
  },
  "hsl": {
    "h": 215.294,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.41433,
    "c": 0.12726,
    "h": 258.2
  },
  "luminance": 0.06942
}

Semantic roles & 50–950 ramp

primary

#18498F

secondary

#C08C43

accent

#A43AEE

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #18498F

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

Preview Lab → · Contrast checker → · Palette generator →