#18109D#18109D

#18109D is a dark, highly saturated blue. Relative luminance 0.030; OKLCH L 33.3% C 0.205 H 269.3°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#18109D
RGB	rgb(24, 16, 157)
HSL	hsl(243, 82%, 34%)
HSV	hsv(243, 90%, 62%)
CMYK	cmyk(84.7%, 89.8%, 0%, 38.4%)
CIE-LAB	lab(20.04, 50.65, -71.01)
CIE-LCH	lch(20.04, 87.22, 305.50°)
OKLab	oklab(33.33% -0.0025 -0.2054)
OKLCH	oklch(33.33% 0.205 269.3)
XYZ	xyz(6.6457, 2.9983, 32.1202)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18109D #959D10

analogous

#104F9D #18109D #5F109D

triadic

#18109D #9D1810 #109D18

tetradic

#18109D #9D104F #959D10 #109D5F

square

#18109D #9D104F #959D10 #109D5F

split-complementary

#18109D #9D5F10 #4F9D10

monochromatic

#07052E #100A65 #18109D #2016D5 #463CEB

Accessibility & contrast

On white

13.13

#18109D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#18109D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18109D

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18109D	#FFFFFF	#000000	##FFFFFF
##18109D	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0037A1

Deuteranopia (green-blind)

#00299B

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18109d;
/* rgb */ color: rgb(24, 16, 157);
/* oklch */ color: oklch(33.3% 0.205 269.3);

Tailwind

colors: {
  custom: {
    50: '#7356bb',
    500: '#18109d',
    950: '#000000',
  },
}

SCSS

$custom: #18109d;
$custom-light: #7356bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18109d",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 157
  },
  "hsl": {
    "h": 243.404,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33332,
    "c": 0.20538,
    "h": 269.3
  },
  "luminance": 0.02999
}

Semantic roles & 50–950 ramp

primary

#18109D

secondary

#C2CA3E

accent

#F830ED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #18109D

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

Preview Lab → · Contrast checker → · Palette generator →