#18408A#18408A

#18408A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.132 H 261.3°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#18408A
RGB	rgb(24, 64, 138)
HSL	hsl(219, 70%, 32%)
HSV	hsv(219, 83%, 54%)
CMYK	cmyk(82.6%, 53.6%, 0%, 45.9%)
CIE-LAB	lab(28.63, 15.16, -45.16)
CIE-LCH	lch(28.63, 47.64, 288.55°)
OKLab	oklab(38.99% -0.0198 -0.1301)
OKLCH	oklch(38.99% 0.132 261.3)
XYZ	xyz(6.7959, 5.6951, 24.7809)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18408A #8A6218

analogous

#18798A #18408A #29188A

triadic

#18408A #8A1840 #408A18

tetradic

#18408A #8A1879 #8A6218 #188A29

square

#18408A #8A1879 #8A6218 #188A29

split-complementary

#18408A #8A2918 #798A18

monochromatic

#061022 #0F2856 #18408A #2158BE #3F77DE

Accessibility & contrast

On white

9.82

#18408A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#18408A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18408A

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18408A	#FFFFFF	#000000	##FFFFFF
##18408A	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B498D

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #18408a;
/* rgb */ color: rgb(24, 64, 138);
/* oklch */ color: oklch(39.0% 0.132 261.3);

Tailwind

colors: {
  custom: {
    50: '#6974ad',
    500: '#18408a',
    950: '#000000',
  },
}

SCSS

$custom: #18408a;
$custom-light: #6974ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18408a",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 138
  },
  "hsl": {
    "h": 218.947,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38987,
    "c": 0.13165,
    "h": 261.3
  },
  "luminance": 0.05696
}

Semantic roles & 50–950 ramp

primary

#18408A

secondary

#BD9240

accent

#AF3BED

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #18408A

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

Preview Lab → · Contrast checker → · Palette generator →