#18216A#18216A

#18216A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.126 H 270.8°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#18216A
RGB	rgb(24, 33, 106)
HSL	hsl(233, 63%, 25%)
HSV	hsv(233, 77%, 42%)
CMYK	cmyk(77.4%, 68.9%, 0%, 58.4%)
CIE-LAB	lab(17.09, 24.03, -43.63)
CIE-LCH	lch(17.09, 49.82, 298.85°)
OKLab	oklab(29.49% 0.0017 -0.1262)
OKLCH	oklch(29.49% 0.126 270.8)
XYZ	xyz(3.5212, 2.3221, 13.8955)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18216A #6A6118

analogous

#184A6A #18216A #38186A

triadic

#18216A #6A1821 #216A18

tetradic

#18216A #6A184A #6A6118 #186A38

square

#18216A #6A184A #6A6118 #186A38

split-complementary

#18216A #6A3818 #4A6A18

monochromatic

#060819 #0D1138 #18216A #23319C #2F40CE

Accessibility & contrast

On white

14.34

#18216A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#18216A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18216A

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18216A	#FFFFFF	#000000	##FFFFFF
##18216A	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6C

Deuteranopia (green-blind)

#002669

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18216a;
/* rgb */ color: rgb(24, 33, 106);
/* oklch */ color: oklch(29.5% 0.126 270.8);

Tailwind

colors: {
  custom: {
    50: '#635c95',
    500: '#18216a',
    950: '#000000',
  },
}

SCSS

$custom: #18216a;
$custom-light: #635c95;
$custom-dark: #000000;

JSON

{
  "hex": "#18216a",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 106
  },
  "hsl": {
    "h": 233.415,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.29494,
    "c": 0.12616,
    "h": 270.8
  },
  "luminance": 0.02323
}

Semantic roles & 50–950 ramp

primary

#18216A

secondary

#A0953E

accent

#D442E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #18216A

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

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