#12104D#12104D

#12104D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.8% C 0.107 H 275.1°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#12104D
RGB	rgb(18, 16, 77)
HSL	hsl(242, 66%, 18%)
HSV	hsv(242, 79%, 30%)
CMYK	cmyk(76.6%, 79.2%, 0%, 69.8%)
CIE-LAB	lab(9.28, 23.67, -37.02)
CIE-LCH	lch(9.28, 43.94, 302.60°)
OKLab	oklab(22.8% 0.0096 -0.107)
OKLCH	oklch(22.8% 0.107 275.1)
XYZ	xyz(1.7739, 1.0348, 7.1260)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12104D #4B4D10

analogous

#102C4D #12104D #30104D

triadic

#12104D #4D1210 #104D12

tetradic

#12104D #4D102C #4B4D10 #104D30

square

#12104D #4D102C #4B4D10 #104D30

split-complementary

#12104D #4D3010 #2C4D10

monochromatic

#060519 #06051A #12104D #1E1B80 #2A25B2

Accessibility & contrast

On white

17.40

#12104D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#12104D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12104D

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12104D	#FFFFFF	#000000	##FFFFFF
##12104D	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4F

Deuteranopia (green-blind)

#00174C

Tritanopia (blue-blind)

#00212D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #12104d;
/* rgb */ color: rgb(18, 16, 77);
/* oklch */ color: oklch(22.8% 0.107 275.1);

Tailwind

colors: {
  custom: {
    50: '#5a4f80',
    500: '#12104d',
    950: '#000000',
  },
}

SCSS

$custom: #12104d;
$custom-light: #5a4f80;
$custom-dark: #000000;

JSON

{
  "hex": "#12104d",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 77
  },
  "hsl": {
    "h": 241.967,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.22798,
    "c": 0.10742,
    "h": 275.1
  },
  "luminance": 0.01035
}

Semantic roles & 50–950 ramp

primary

#12104D

secondary

#848732

accent

#E93FE3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12104D

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

Preview Lab → · Contrast checker → · Palette generator →