#180A4E#180A4E

#180A4E is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.5% C 0.114 H 281.6°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#180A4E
RGB	rgb(24, 10, 78)
HSL	hsl(252, 77%, 17%)
HSV	hsv(252, 87%, 31%)
CMYK	cmyk(69.2%, 87.2%, 0%, 69.4%)
CIE-LAB	lab(8.66, 28.43, -38.70)
CIE-LCH	lch(8.66, 48.02, 306.30°)
OKLab	oklab(22.54% 0.0229 -0.1117)
OKLCH	oklch(22.54% 0.114 281.6)
XYZ	xyz(1.8599, 0.9612, 7.2938)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A4E #404E0A

analogous

#0A1E4E #180A4E #3A0A4E

triadic

#180A4E #4E180A #0A4E18

tetradic

#180A4E #4E0A1E #404E0A #0A4E3A

square

#180A4E #4E0A1E #404E0A #0A4E3A

split-complementary

#180A4E #4E3A0A #1E4E0A

monochromatic

#08031B #08031B #180A4E #291184 #3918BA

Accessibility & contrast

On white

17.61

#180A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#180A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A4E

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A4E	#FFFFFF	#000000	##FFFFFF
##180A4E	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B50

Deuteranopia (green-blind)

#00164D

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #180a4e;
/* rgb */ color: rgb(24, 10, 78);
/* oklch */ color: oklch(22.5% 0.114 281.6);

Tailwind

colors: {
  custom: {
    50: '#5e4b80',
    500: '#180a4e',
    950: '#000000',
  },
}

SCSS

$custom: #180a4e;
$custom-light: #5e4b80;
$custom-dark: #000000;

JSON

{
  "hex": "#180a4e",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 78
  },
  "hsl": {
    "h": 252.353,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.2254,
    "c": 0.114,
    "h": 281.6
  },
  "luminance": 0.00961
}

Semantic roles & 50–950 ramp

primary

#180A4E

secondary

#778B29

accent

#F434CC

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180A4E

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

Preview Lab → · Contrast checker → · Palette generator →