#18408D#18408D

#18408D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.2% C 0.136 H 261.8°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#18408D
RGB	rgb(24, 64, 141)
HSL	hsl(219, 71%, 32%)
HSV	hsv(219, 83%, 55%)
CMYK	cmyk(83%, 54.6%, 0%, 44.7%)
CIE-LAB	lab(28.86, 16.39, -46.64)
CIE-LCH	lch(28.86, 49.44, 289.36°)
OKLab	oklab(39.23% -0.0194 -0.1345)
OKLCH	oklch(39.23% 0.136 261.8)
XYZ	xyz(7.0161, 5.7832, 25.9406)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18408D #8D6518

analogous

#187B8D #18408D #2A188D

triadic

#18408D #8D1840 #408D18

tetradic

#18408D #8D187B #8D6518 #188D2A

square

#18408D #8D187B #8D6518 #188D2A

split-complementary

#18408D #8D2A18 #7B8D18

monochromatic

#061124 #0F2859 #18408D #2158C1 #4177DF

Accessibility & contrast

On white

9.74

#18408D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#18408D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18408D

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18408D	#FFFFFF	#000000	##FFFFFF
##18408D	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034A90

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #18408d;
/* rgb */ color: rgb(24, 64, 141);
/* oklch */ color: oklch(39.2% 0.136 261.8);

Tailwind

colors: {
  custom: {
    50: '#6a74af',
    500: '#18408d',
    950: '#000000',
  },
}

SCSS

$custom: #18408d;
$custom-light: #6a74af;
$custom-dark: #000000;

JSON

{
  "hex": "#18408d",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 141
  },
  "hsl": {
    "h": 219.487,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39234,
    "c": 0.13591,
    "h": 261.8
  },
  "luminance": 0.05784
}

Semantic roles & 50–950 ramp

primary

#18408D

secondary

#BF9442

accent

#B03AEE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #18408D

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

Preview Lab → · Contrast checker → · Palette generator →