#181163#181163

#181163 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.0% C 0.135 H 275.3°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#181163
RGB	rgb(24, 17, 99)
HSL	hsl(245, 71%, 23%)
HSV	hsv(245, 83%, 39%)
CMYK	cmyk(75.8%, 82.8%, 0%, 61.2%)
CIE-LAB	lab(12.58, 31.75, -46.46)
CIE-LCH	lch(12.58, 56.27, 304.35°)
OKLab	oklab(26.03% 0.0126 -0.1343)
OKLCH	oklch(26.03% 0.135 275.3)
XYZ	xyz(2.8285, 1.4957, 11.9416)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181163 #5C6311

analogous

#113363 #181163 #411163

triadic

#181163 #631811 #116318

tetradic

#181163 #631133 #5C6311 #116341

square

#181163 #631133 #5C6311 #116341

split-complementary

#181163 #634111 #336311

monochromatic

#06041A #0B082F #181163 #251A97 #3123CB

Accessibility & contrast

On white

16.16

#181163 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#181163 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181163

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181163	#FFFFFF	#000000	##FFFFFF
##181163	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002465

Deuteranopia (green-blind)

#001D62

Tritanopia (blue-blind)

#002A3A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #181163;
/* rgb */ color: rgb(24, 17, 99);
/* oklch */ color: oklch(26.0% 0.135 275.3);

Tailwind

colors: {
  custom: {
    50: '#635190',
    500: '#181163',
    950: '#000000',
  },
}

SCSS

$custom: #181163;
$custom-light: #635190;
$custom-dark: #000000;

JSON

{
  "hex": "#181163",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 99
  },
  "hsl": {
    "h": 245.122,
    "s": 70.69,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26029,
    "c": 0.13491,
    "h": 275.3
  },
  "luminance": 0.01496
}

Semantic roles & 50–950 ramp

primary

#181163

secondary

#939B34

accent

#ED3ADE

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #181163

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

Preview Lab → · Contrast checker → · Palette generator →