#12108D#12108D

#12108D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.9% C 0.189 H 268.4°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#12108D
RGB	rgb(18, 16, 141)
HSL	hsl(241, 80%, 31%)
HSV	hsv(241, 89%, 55%)
CMYK	cmyk(87.2%, 88.7%, 0%, 44.7%)
CIE-LAB	lab(17.56, 45.65, -65.23)
CIE-LCH	lch(17.56, 79.62, 304.99°)
OKLab	oklab(30.95% -0.0051 -0.1888)
OKLCH	oklch(30.95% 0.189 268.4)
XYZ	xyz(5.2408, 2.4216, 25.3853)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12108D #8B8D10

analogous

#104C8D #12108D #50108D

triadic

#12108D #8D1210 #108D12

tetradic

#12108D #8D104C #8B8D10 #108D50

square

#12108D #8D104C #8B8D10 #108D50

split-complementary

#12108D #8D5010 #4C8D10

monochromatic

#04041F #0B0A56 #12108D #1916C4 #3330E7

Accessibility & contrast

On white

14.15

#12108D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#12108D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12108D

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12108D	#FFFFFF	#000000	##FFFFFF
##12108D	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003190

Deuteranopia (green-blind)

#00248B

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #12108d;
/* rgb */ color: rgb(18, 16, 141);
/* oklch */ color: oklch(30.9% 0.189 268.4);

Tailwind

colors: {
  custom: {
    50: '#6d54b0',
    500: '#12108d',
    950: '#000000',
  },
}

SCSS

$custom: #12108d;
$custom-light: #6d54b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12108d",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 141
  },
  "hsl": {
    "h": 240.96,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3095,
    "c": 0.18883,
    "h": 268.4
  },
  "luminance": 0.02422
}

Semantic roles & 50–950 ramp

primary

#12108D

secondary

#C0C237

accent

#F632F3

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #12108D

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

Preview Lab → · Contrast checker → · Palette generator →