#18216C#18216C

#18216C is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.7% C 0.129 H 270.7°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#18216C
RGB	rgb(24, 33, 108)
HSL	hsl(234, 64%, 26%)
HSV	hsv(234, 78%, 42%)
CMYK	cmyk(77.8%, 69.4%, 0%, 57.6%)
CIE-LAB	lab(17.29, 24.82, -44.61)
CIE-LCH	lch(17.29, 51.05, 299.09°)
OKLab	oklab(29.7% 0.0016 -0.129)
OKLCH	oklch(29.7% 0.129 270.7)
XYZ	xyz(3.6264, 2.3642, 14.4497)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18216C #6C6318

analogous

#184B6C #18216C #39186C

triadic

#18216C #6C1821 #216C18

tetradic

#18216C #6C184B #6C6318 #186C39

square

#18216C #6C184B #6C6318 #186C39

split-complementary

#18216C #6C3918 #4B6C18

monochromatic

#060819 #0D123A #18216C #23309E #2E40D0

Accessibility & contrast

On white

14.26

#18216C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#18216C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18216C

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18216C	#FFFFFF	#000000	##FFFFFF
##18216C	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#00276B

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18216c;
/* rgb */ color: rgb(24, 33, 108);
/* oklch */ color: oklch(29.7% 0.129 270.7);

Tailwind

colors: {
  custom: {
    50: '#645c97',
    500: '#18216c',
    950: '#000000',
  },
}

SCSS

$custom: #18216c;
$custom-light: #645c97;
$custom-dark: #000000;

JSON

{
  "hex": "#18216c",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 108
  },
  "hsl": {
    "h": 233.571,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.297,
    "c": 0.12902,
    "h": 270.7
  },
  "luminance": 0.02365
}

Semantic roles & 50–950 ramp

primary

#18216C

secondary

#A2973E

accent

#D541E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #18216C

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

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