#12124E#12124E

#12124E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.106 H 274.3°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#12124E
RGB	rgb(18, 18, 78)
HSL	hsl(240, 63%, 19%)
HSV	hsv(240, 77%, 31%)
CMYK	cmyk(76.9%, 76.9%, 0%, 69.4%)
CIE-LAB	lab(9.88, 22.69, -36.71)
CIE-LCH	lch(9.88, 43.16, 301.72°)
OKLab	oklab(23.27% 0.0081 -0.1061)
OKLCH	oklch(23.27% 0.106 274.3)
XYZ	xyz(1.8404, 1.1111, 7.3237)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12124E #4E4E12

analogous

#12304E #12124E #30124E

triadic

#12124E #4E1212 #124E12

tetradic

#12124E #4E1230 #4E4E12 #124E30

square

#12124E #4E1230 #4E4E12 #124E30

split-complementary

#12124E #4E3012 #304E12

monochromatic

#060619 #07071C #12124E #1D1D80 #2929B1

Accessibility & contrast

On white

17.18

#12124E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#12124E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12124E

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12124E	#FFFFFF	#000000	##FFFFFF
##12124E	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00232E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #12124e;
/* rgb */ color: rgb(18, 18, 78);
/* oklch */ color: oklch(23.3% 0.106 274.3);

Tailwind

colors: {
  custom: {
    50: '#5b5080',
    500: '#12124e',
    950: '#000000',
  },
}

SCSS

$custom: #12124e;
$custom-light: #5b5080;
$custom-dark: #000000;

JSON

{
  "hex": "#12124e",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 78
  },
  "hsl": {
    "h": 240,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23266,
    "c": 0.10641,
    "h": 274.3
  },
  "luminance": 0.01111
}

Semantic roles & 50–950 ramp

primary

#12124E

secondary

#878735

accent

#E642E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12124E

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

Preview Lab → · Contrast checker → · Palette generator →