#181568#181568

#181568 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.2% C 0.137 H 273.9°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#181568
RGB	rgb(24, 21, 104)
HSL	hsl(242, 66%, 25%)
HSV	hsv(242, 80%, 41%)
CMYK	cmyk(76.9%, 79.8%, 0%, 59.2%)
CIE-LAB	lab(14.00, 31.17, -47.42)
CIE-LCH	lch(14.00, 56.75, 303.32°)
OKLab	oklab(27.2% 0.0093 -0.1372)
OKLCH	oklch(27.2% 0.137 273.9)
XYZ	xyz(3.1427, 1.7297, 13.2623)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181568 #656815

analogous

#153C68 #181568 #421568

triadic

#181568 #681815 #156818

tetradic

#181568 #68153C #656815 #156842

square

#181568 #68153C #656815 #156842

split-complementary

#181568 #684215 #3C6815

monochromatic

#060519 #0C0B35 #181568 #241F9B #302ACE

Accessibility & contrast

On white

15.60

#181568 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#181568 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181568

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181568	#FFFFFF	#000000	##FFFFFF
##181568	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00276A

Deuteranopia (green-blind)

#002067

Tritanopia (blue-blind)

#002D3D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181568;
/* rgb */ color: rgb(24, 21, 104);
/* oklch */ color: oklch(27.2% 0.137 273.9);

Tailwind

colors: {
  custom: {
    50: '#645494',
    500: '#181568',
    950: '#000000',
  },
}

SCSS

$custom: #181568;
$custom-light: #645494;
$custom-dark: #000000;

JSON

{
  "hex": "#181568",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 104
  },
  "hsl": {
    "h": 242.169,
    "s": 66.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27203,
    "c": 0.13749,
    "h": 273.9
  },
  "luminance": 0.0173
}

Semantic roles & 50–950 ramp

primary

#181568

secondary

#9B9F3A

accent

#E93EE3

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181568

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

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