#18168C#18168C

#18168C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.182 H 270.2°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#18168C
RGB	rgb(24, 22, 140)
HSL	hsl(241, 73%, 32%)
HSV	hsv(241, 84%, 55%)
CMYK	cmyk(82.9%, 84.3%, 0%, 45.1%)
CIE-LAB	lab(18.63, 42.89, -62.82)
CIE-LCH	lch(18.63, 76.06, 304.33°)
OKLab	oklab(31.73% 0.0007 -0.1818)
OKLCH	oklch(31.73% 0.182 270.2)
XYZ	xyz(5.3956, 2.6608, 25.0351)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18168C #8A8C16

analogous

#164F8C #18168C #53168C

triadic

#18168C #8C1816 #168C18

tetradic

#18168C #8C164F #8A8C16 #168C53

square

#18168C #8C164F #8A8C16 #168C53

split-complementary

#18168C #8C5316 #4F8C16

monochromatic

#060522 #0F0E57 #18168C #211EC1 #3F3CE0

Accessibility & contrast

On white

13.71

#18168C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18168C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18168C

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18168C	#FFFFFF	#000000	##FFFFFF
##18168C	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00278A

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18168c;
/* rgb */ color: rgb(24, 22, 140);
/* oklch */ color: oklch(31.7% 0.182 270.2);

Tailwind

colors: {
  custom: {
    50: '#6e57af',
    500: '#18168c',
    950: '#000000',
  },
}

SCSS

$custom: #18168c;
$custom-light: #6e57af;
$custom-dark: #000000;

JSON

{
  "hex": "#18168c",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 140
  },
  "hsl": {
    "h": 241.017,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31731,
    "c": 0.18184,
    "h": 270.2
  },
  "luminance": 0.02661
}

Semantic roles & 50–950 ramp

primary

#18168C

secondary

#BDC03E

accent

#F038EC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #18168C

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

Preview Lab → · Contrast checker → · Palette generator →