#12124C#12124C

#12124C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.103 H 274.6°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#12124C
RGB	rgb(18, 18, 76)
HSL	hsl(240, 62%, 18%)
HSV	hsv(240, 76%, 30%)
CMYK	cmyk(76.3%, 76.3%, 0%, 70.2%)
CIE-LAB	lab(9.66, 21.91, -35.69)
CIE-LCH	lch(9.66, 41.88, 301.54°)
OKLab	oklab(23.04% 0.0084 -0.1031)
OKLCH	oklch(23.04% 0.103 274.6)
XYZ	xyz(1.7698, 1.0828, 6.9518)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12124C #4C4C12

analogous

#122F4C #12124C #2F124C

triadic

#12124C #4C1212 #124C12

tetradic

#12124C #4C122F #4C4C12 #124C2F

square

#12124C #4C122F #4C4C12 #124C2F

split-complementary

#12124C #4C2F12 #2F4C12

monochromatic

#060619 #06061B #12124C #1E1E7D #2929AF

Accessibility & contrast

On white

17.26

#12124C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#12124C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12124C

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12124C	#FFFFFF	#000000	##FFFFFF
##12124C	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4E

Deuteranopia (green-blind)

#00184B

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #12124c;
/* rgb */ color: rgb(18, 18, 76);
/* oklch */ color: oklch(23.0% 0.103 274.6);

Tailwind

colors: {
  custom: {
    50: '#5a507f',
    500: '#12124c',
    950: '#000000',
  },
}

SCSS

$custom: #12124c;
$custom-light: #5a507f;
$custom-dark: #000000;

JSON

{
  "hex": "#12124c",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 76
  },
  "hsl": {
    "h": 240,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.2304,
    "c": 0.10347,
    "h": 274.6
  },
  "luminance": 0.01083
}

Semantic roles & 50–950 ramp

primary

#12124C

secondary

#858535

accent

#E543E5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12124C

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

Preview Lab → · Contrast checker → · Palette generator →