#12043A#12043A

#12043A is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.5% C 0.096 H 284.9°. Best body text is #FFFFFF at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#12043A
RGB	rgb(18, 4, 58)
HSL	hsl(256, 87%, 12%)
HSV	hsv(256, 93%, 23%)
CMYK	cmyk(69%, 93.1%, 0%, 77.3%)
CIE-LAB	lab(4.71, 22.34, -31.05)
CIE-LCH	lch(4.71, 38.25, 305.73°)
OKLab	oklab(18.48% 0.0246 -0.0924)
OKLCH	oklch(18.48% 0.096 284.9)
XYZ	xyz(1.0564, 0.5209, 4.0470)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12043A #2C3A04

analogous

#04113A #12043A #2D043A

triadic

#12043A #3A1204 #043A12

tetradic

#12043A #3A0411 #2C3A04 #043A2D

square

#12043A #3A0411 #2C3A04 #043A2D

split-complementary

#12043A #3A2D04 #113A04

monochromatic

#09021D #09021D #12043A #240873 #360CAD

Accessibility & contrast

On white

19.02

#12043A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#12043A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12043A

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12043A	#FFFFFF	#000000	##FFFFFF
##12043A	1.00	19.02	1.10	19.02
#FFFFFF	19.02	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123B

Deuteranopia (green-blind)

#000E39

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #12043a;
/* rgb */ color: rgb(18, 4, 58);
/* oklch */ color: oklch(18.5% 0.096 284.9);

Tailwind

colors: {
  custom: {
    50: '#564771',
    500: '#12043a',
    950: '#000000',
  },
}

SCSS

$custom: #12043a;
$custom-light: #564771;
$custom-dark: #000000;

JSON

{
  "hex": "#12043a",
  "rgb": {
    "r": 18,
    "g": 4,
    "b": 58
  },
  "hsl": {
    "h": 255.556,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.18477,
    "c": 0.09567,
    "h": 284.9
  },
  "luminance": 0.00521
}

Semantic roles & 50–950 ramp

primary

#12043A

secondary

#637C1E

accent

#FD2BC7

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #12043A

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

Preview Lab → · Contrast checker → · Palette generator →