#12105F#12105F

#12105F is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.132 H 272.4°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#12105F
RGB	rgb(18, 16, 95)
HSL	hsl(242, 71%, 22%)
HSV	hsv(242, 83%, 37%)
CMYK	cmyk(81.1%, 83.2%, 0%, 62.7%)
CIE-LAB	lab(11.45, 30.37, -45.67)
CIE-LCH	lch(11.45, 54.85, 303.62°)
OKLab	oklab(24.98% 0.0056 -0.1322)
OKLCH	oklch(24.98% 0.132 272.4)
XYZ	xyz(2.4996, 1.3251, 10.9483)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12105F #5D5F10

analogous

#10365F #12105F #3A105F

triadic

#12105F #5F1210 #105F12

tetradic

#12105F #5F1036 #5D5F10 #105F3A

square

#12105F #5F1036 #5D5F10 #105F3A

split-complementary

#12105F #5F3A10 #365F10

monochromatic

#05041A #08072B #12105F #1C1993 #2622C8

Accessibility & contrast

On white

16.60

#12105F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#12105F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12105F

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12105F	#FFFFFF	#000000	##FFFFFF
##12105F	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002261

Deuteranopia (green-blind)

#001A5E

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #12105f;
/* rgb */ color: rgb(18, 16, 95);
/* oklch */ color: oklch(25.0% 0.132 272.4);

Tailwind

colors: {
  custom: {
    50: '#60508d',
    500: '#12105f',
    950: '#000000',
  },
}

SCSS

$custom: #12105f;
$custom-light: #60508d;
$custom-dark: #000000;

JSON

{
  "hex": "#12105f",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 95
  },
  "hsl": {
    "h": 241.519,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.24978,
    "c": 0.13231,
    "h": 272.4
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary

#12105F

secondary

#959833

accent

#EE3AE9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #12105F

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

Preview Lab → · Contrast checker → · Palette generator →