#18206F#18206F

#18206F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.8% C 0.135 H 270.8°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#18206F
RGB	rgb(24, 32, 111)
HSL	hsl(234, 64%, 26%)
HSV	hsv(234, 78%, 44%)
CMYK	cmyk(78.4%, 71.2%, 0%, 56.5%)
CIE-LAB	lab(17.34, 26.68, -46.48)
CIE-LCH	lch(17.34, 53.59, 299.85°)
OKLab	oklab(29.83% 0.002 -0.1345)
OKLCH	oklch(29.83% 0.135 270.8)
XYZ	xyz(3.7615, 2.3745, 15.2959)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18206F #6F6718

analogous

#184C6F #18206F #3C186F

triadic

#18206F #6F1820 #206F18

tetradic

#18206F #6F184C #6F6718 #186F3C

square

#18206F #6F184C #6F6718 #186F3C

split-complementary

#18206F #6F3C18 #4C6F18

monochromatic

#050719 #0D113D #18206F #232FA1 #2F3ED2

Accessibility & contrast

On white

14.24

#18206F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#18206F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18206F

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18206F	#FFFFFF	#000000	##FFFFFF
##18206F	1.00	14.24	1.48	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F71

Deuteranopia (green-blind)

#00266E

Tritanopia (blue-blind)

#003544

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18206f;
/* rgb */ color: rgb(24, 32, 111);
/* oklch */ color: oklch(29.8% 0.135 270.8);

Tailwind

colors: {
  custom: {
    50: '#645b99',
    500: '#18206f',
    950: '#000000',
  },
}

SCSS

$custom: #18206f;
$custom-light: #645b99;
$custom-dark: #000000;

JSON

{
  "hex": "#18206f",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 111
  },
  "hsl": {
    "h": 234.483,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29828,
    "c": 0.1345,
    "h": 270.8
  },
  "luminance": 0.02375
}

Semantic roles & 50–950 ramp

primary

#18206F

secondary

#A59B3E

accent

#D840E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #18206F

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

Preview Lab → · Contrast checker → · Palette generator →