#18216F#18216F

#18216F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.133 H 270.6°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#18216F
RGB	rgb(24, 33, 111)
HSL	hsl(234, 64%, 26%)
HSV	hsv(234, 78%, 44%)
CMYK	cmyk(78.4%, 70.3%, 0%, 56.5%)
CIE-LAB	lab(17.60, 25.99, -46.07)
CIE-LCH	lch(17.60, 52.89, 299.43°)
OKLab	oklab(30.01% 0.0013 -0.1333)
OKLCH	oklch(30.01% 0.133 270.6)
XYZ	xyz(3.7888, 2.4292, 15.3050)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18216F #6F6618

analogous

#184D6F #18216F #3B186F

triadic

#18216F #6F1821 #216F18

tetradic

#18216F #6F184D #6F6618 #186F3B

square

#18216F #6F184D #6F6618 #186F3B

split-complementary

#18216F #6F3B18 #4D6F18

monochromatic

#050719 #0D123D #18216F #2330A1 #2F40D2

Accessibility & contrast

On white

14.13

#18216F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#18216F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18216F

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18216F	#FFFFFF	#000000	##FFFFFF
##18216F	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F71

Deuteranopia (green-blind)

#00276E

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18216f;
/* rgb */ color: rgb(24, 33, 111);
/* oklch */ color: oklch(30.0% 0.133 270.6);

Tailwind

colors: {
  custom: {
    50: '#645c99',
    500: '#18216f',
    950: '#000000',
  },
}

SCSS

$custom: #18216f;
$custom-light: #645c99;
$custom-dark: #000000;

JSON

{
  "hex": "#18216f",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 111
  },
  "hsl": {
    "h": 233.793,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30013,
    "c": 0.13327,
    "h": 270.6
  },
  "luminance": 0.0243
}

Semantic roles & 50–950 ramp

primary

#18216F

secondary

#A59A3E

accent

#D640E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #18216F

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

Preview Lab → · Contrast checker → · Palette generator →