#18218C#18218C

#18218C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.172 H 269.2°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#18218C
RGB	rgb(24, 33, 140)
HSL	hsl(235, 71%, 32%)
HSV	hsv(235, 83%, 55%)
CMYK	cmyk(82.9%, 76.4%, 0%, 45.1%)
CIE-LAB	lab(20.73, 36.85, -59.34)
CIE-LCH	lch(20.73, 69.85, 301.84°)
OKLab	oklab(33.21% -0.0024 -0.1719)
OKLCH	oklch(33.21% 0.172 269.2)
XYZ	xyz(5.6525, 3.1747, 25.1207)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18218C #8C8318

analogous

#185B8C #18218C #49188C

triadic

#18218C #8C1821 #218C18

tetradic

#18218C #8C185B #8C8318 #188C49

square

#18218C #8C185B #8C8318 #188C49

split-complementary

#18218C #8C4918 #5B8C18

monochromatic

#060824 #0F1558 #18218C #212DC0 #404CDE

Accessibility & contrast

On white

12.84

#18218C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#18218C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18218C

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18218C	#FFFFFF	#000000	##FFFFFF
##18218C	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388F

Deuteranopia (green-blind)

#002C8A

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18218c;
/* rgb */ color: rgb(24, 33, 140);
/* oklch */ color: oklch(33.2% 0.172 269.2);

Tailwind

colors: {
  custom: {
    50: '#6c5daf',
    500: '#18218c',
    950: '#000000',
  },
}

SCSS

$custom: #18218c;
$custom-light: #6c5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#18218c",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 140
  },
  "hsl": {
    "h": 235.345,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33205,
    "c": 0.17194,
    "h": 269.2
  },
  "luminance": 0.03175
}

Semantic roles & 50–950 ramp

primary

#18218C

secondary

#BFB541

accent

#E03AED

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #18218C

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

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