#18155A#18155A

#18155A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.118 H 275.9°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#18155A
RGB	rgb(24, 21, 90)
HSL	hsl(243, 62%, 22%)
HSV	hsv(243, 77%, 35%)
CMYK	cmyk(73.3%, 76.7%, 0%, 64.7%)
CIE-LAB	lab(12.41, 26.05, -40.72)
CIE-LCH	lch(12.41, 48.34, 302.61°)
OKLab	oklab(25.6% 0.0123 -0.1177)
OKLCH	oklch(25.6% 0.118 275.9)
XYZ	xyz(2.4897, 1.4685, 9.8231)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18155A #575A15

analogous

#15355A #18155A #3B155A

triadic

#18155A #5A1815 #155A18

tetradic

#18155A #5A1535 #575A15 #155A3B

square

#18155A #5A1535 #575A15 #155A3B

split-complementary

#18155A #5A3B15 #355A15

monochromatic

#070619 #0B0928 #18155A #25218C #322CBD

Accessibility & contrast

On white

16.23

#18155A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#18155A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18155A

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18155A	#FFFFFF	#000000	##FFFFFF
##18155A	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235C

Deuteranopia (green-blind)

#001D59

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #18155a;
/* rgb */ color: rgb(24, 21, 90);
/* oklch */ color: oklch(25.6% 0.118 275.9);

Tailwind

colors: {
  custom: {
    50: '#605389',
    500: '#18155a',
    950: '#000000',
  },
}

SCSS

$custom: #18155a;
$custom-light: #605389;
$custom-dark: #000000;

JSON

{
  "hex": "#18155a",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 90
  },
  "hsl": {
    "h": 242.609,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25595,
    "c": 0.1183,
    "h": 275.9
  },
  "luminance": 0.01469
}

Semantic roles & 50–950 ramp

primary

#18155A

secondary

#8E9239

accent

#E543DE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #18155A

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

Preview Lab → · Contrast checker → · Palette generator →