#181564#181564

#181564 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.7% C 0.132 H 274.4°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#181564
RGB	rgb(24, 21, 100)
HSL	hsl(242, 65%, 24%)
HSV	hsv(242, 79%, 39%)
CMYK	cmyk(76%, 79%, 0%, 60.8%)
CIE-LAB	lab(13.53, 29.73, -45.55)
CIE-LCH	lch(13.53, 54.39, 303.14°)
OKLab	oklab(26.74% 0.0102 -0.1317)
OKLCH	oklch(26.74% 0.132 274.4)
XYZ	xyz(2.9443, 1.6503, 12.2175)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181564 #616415

analogous

#153964 #181564 #3F1564

triadic

#181564 #641815 #156418

tetradic

#181564 #641539 #616415 #15643F

square

#181564 #641539 #616415 #15643F

split-complementary

#181564 #643F15 #396415

monochromatic

#060519 #0C0A31 #181564 #242097 #302AC9

Accessibility & contrast

On white

15.79

#181564 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#181564 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181564

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181564	#FFFFFF	#000000	##FFFFFF
##181564	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002666

Deuteranopia (green-blind)

#001F63

Tritanopia (blue-blind)

#002C3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #181564;
/* rgb */ color: rgb(24, 21, 100);
/* oklch */ color: oklch(26.7% 0.132 274.4);

Tailwind

colors: {
  custom: {
    50: '#635391',
    500: '#181564',
    950: '#000000',
  },
}

SCSS

$custom: #181564;
$custom-light: #635391;
$custom-dark: #000000;

JSON

{
  "hex": "#181564",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 100
  },
  "hsl": {
    "h": 242.278,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26735,
    "c": 0.13211,
    "h": 274.4
  },
  "luminance": 0.01651
}

Semantic roles & 50–950 ramp

primary

#181564

secondary

#979B3A

accent

#E840E2

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #181564

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

Preview Lab → · Contrast checker → · Palette generator →