#12105E#12105E

#12105E is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.131 H 272.6°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#12105E
RGB	rgb(18, 16, 94)
HSL	hsl(242, 71%, 22%)
HSV	hsv(242, 83%, 37%)
CMYK	cmyk(80.9%, 83%, 0%, 63.1%)
CIE-LAB	lab(11.32, 30.01, -45.21)
CIE-LCH	lch(11.32, 54.26, 303.57°)
OKLab	oklab(24.85% 0.0058 -0.1308)
OKLCH	oklch(24.85% 0.131 272.6)
XYZ	xyz(2.4544, 1.3071, 10.7104)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12105E #5C5E10

analogous

#10355E #12105E #39105E

triadic

#12105E #5E1210 #105E12

tetradic

#12105E #5E1035 #5C5E10 #105E39

square

#12105E #5E1035 #5C5E10 #105E39

split-complementary

#12105E #5E3910 #355E10

monochromatic

#05041A #08072A #12105E #1C1992 #2622C7

Accessibility & contrast

On white

16.65

#12105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#12105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12105E

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12105E	#FFFFFF	#000000	##FFFFFF
##12105E	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002260

Deuteranopia (green-blind)

#001A5D

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #12105e;
/* rgb */ color: rgb(18, 16, 94);
/* oklch */ color: oklch(24.9% 0.131 272.6);

Tailwind

colors: {
  custom: {
    50: '#5f508d',
    500: '#12105e',
    950: '#000000',
  },
}

SCSS

$custom: #12105e;
$custom-light: #5f508d;
$custom-dark: #000000;

JSON

{
  "hex": "#12105e",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 241.538,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.24853,
    "c": 0.13098,
    "h": 272.6
  },
  "luminance": 0.01307
}

Semantic roles & 50–950 ramp

primary

#12105E

secondary

#949733

accent

#EE3AE9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #12105E

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

Preview Lab → · Contrast checker → · Palette generator →