#181565#181565

#181565 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.9% C 0.133 H 274.3°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#181565
RGB	rgb(24, 21, 101)
HSL	hsl(242, 66%, 24%)
HSV	hsv(242, 79%, 40%)
CMYK	cmyk(76.2%, 79.2%, 0%, 60.4%)
CIE-LAB	lab(13.65, 30.09, -46.02)
CIE-LCH	lch(13.65, 54.98, 303.18°)
OKLab	oklab(26.85% 0.01 -0.1331)
OKLCH	oklch(26.85% 0.133 274.3)
XYZ	xyz(2.9930, 1.6698, 12.4740)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181565 #626515

analogous

#153A65 #181565 #401565

triadic

#181565 #651815 #156518

tetradic

#181565 #65153A #626515 #156540

square

#181565 #65153A #626515 #156540

split-complementary

#181565 #654015 #3A6515

monochromatic

#060519 #0C0A32 #181565 #242098 #302ACA

Accessibility & contrast

On white

15.74

#181565 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#181565 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181565

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181565	#FFFFFF	#000000	##FFFFFF
##181565	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002767

Deuteranopia (green-blind)

#001F64

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #181565;
/* rgb */ color: rgb(24, 21, 101);
/* oklch */ color: oklch(26.9% 0.133 274.3);

Tailwind

colors: {
  custom: {
    50: '#635492',
    500: '#181565',
    950: '#000000',
  },
}

SCSS

$custom: #181565;
$custom-light: #635492;
$custom-dark: #000000;

JSON

{
  "hex": "#181565",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 101
  },
  "hsl": {
    "h": 242.25,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.26852,
    "c": 0.13346,
    "h": 274.3
  },
  "luminance": 0.0167
}

Semantic roles & 50–950 ramp

primary

#181565

secondary

#989C3A

accent

#E93FE2

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #181565

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

Preview Lab → · Contrast checker → · Palette generator →