#18217C#18217C

#18217C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.151 H 270.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#18217C
RGB	rgb(24, 33, 124)
HSL	hsl(235, 68%, 29%)
HSV	hsv(235, 81%, 49%)
CMYK	cmyk(80.6%, 73.4%, 0%, 51.4%)
CIE-LAB	lab(18.96, 30.97, -52.18)
CIE-LCH	lch(18.96, 60.68, 300.69°)
OKLab	oklab(31.41% -0.0001 -0.1511)
OKLCH	oklch(31.41% 0.151 270)
XYZ	xyz(4.5574, 2.7366, 19.3529)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18217C #7C7318

analogous

#18537C #18217C #41187C

triadic

#18217C #7C1821 #217C18

tetradic

#18217C #7C1853 #7C7318 #187C41

square

#18217C #7C1853 #7C7318 #187C41

split-complementary

#18217C #7C4118 #537C18

monochromatic

#05071A #0E1349 #18217C #222FAF #3645D8

Accessibility & contrast

On white

13.57

#18217C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#18217C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18217C

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18217C	#FFFFFF	#000000	##FFFFFF
##18217C	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18217c;
/* rgb */ color: rgb(24, 33, 124);
/* oklch */ color: oklch(31.4% 0.151 270.0);

Tailwind

colors: {
  custom: {
    50: '#685da3',
    500: '#18217c',
    950: '#000000',
  },
}

SCSS

$custom: #18217c;
$custom-light: #685da3;
$custom-dark: #000000;

JSON

{
  "hex": "#18217c",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 124
  },
  "hsl": {
    "h": 234.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31409,
    "c": 0.1511,
    "h": 270
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#18217C

secondary

#B1A63F

accent

#DB3DEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18217C

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

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