#12107F#12107F

#12107F is a dark, vivid blue. Relative luminance 0.020; OKLCH L 29.1% C 0.172 H 269.3°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#12107F
RGB	rgb(18, 16, 127)
HSL	hsl(241, 78%, 28%)
HSV	hsv(241, 87%, 50%)
CMYK	cmyk(85.8%, 87.4%, 0%, 50.2%)
CIE-LAB	lab(15.65, 41.25, -59.58)
CIE-LCH	lch(15.65, 72.46, 304.70°)
OKLab	oklab(29.1% -0.002 -0.1724)
OKLCH	oklch(29.1% 0.172 269.3)
XYZ	xyz(4.2642, 2.0310, 20.2418)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12107F #7D7F10

analogous

#10457F #12107F #49107F

triadic

#12107F #7F1210 #107F12

tetradic

#12107F #7F1045 #7D7F10 #107F49

square

#12107F #7F1045 #7D7F10 #107F49

split-complementary

#12107F #7F4910 #457F10

monochromatic

#04031B #0A0949 #12107F #1A17B5 #2926E4

Accessibility & contrast

On white

14.93

#12107F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#12107F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12107F

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12107F	#FFFFFF	#000000	##FFFFFF
##12107F	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D82

Deuteranopia (green-blind)

#00217D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #12107f;
/* rgb */ color: rgb(18, 16, 127);
/* oklch */ color: oklch(29.1% 0.172 269.3);

Tailwind

colors: {
  custom: {
    50: '#6952a5',
    500: '#12107f',
    950: '#000000',
  },
}

SCSS

$custom: #12107f;
$custom-light: #6952a5;
$custom-dark: #000000;

JSON

{
  "hex": "#12107f",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 127
  },
  "hsl": {
    "h": 241.081,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29099,
    "c": 0.17245,
    "h": 269.3
  },
  "luminance": 0.02031
}

Semantic roles & 50–950 ramp

primary

#12107F

secondary

#B3B536

accent

#F434F1

background

#F6F4FA

surface

#ECE7F4

border

#C7C3CE

text

#08020F

muted

#7A787F

Preview Lab

Preview with #12107F

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

Preview Lab → · Contrast checker → · Palette generator →