#180A48#180A48

#180A48 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.8% C 0.106 H 283.6°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#180A48
RGB	rgb(24, 10, 72)
HSL	hsl(254, 76%, 16%)
HSV	hsv(254, 86%, 28%)
CMYK	cmyk(66.7%, 86.1%, 0%, 71.8%)
CIE-LAB	lab(7.94, 26.40, -35.72)
CIE-LCH	lch(7.94, 44.41, 306.46°)
OKLab	oklab(21.82% 0.025 -0.103)
OKLCH	oklch(21.82% 0.106 283.6)
XYZ	xyz(1.6546, 0.8790, 6.2121)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A48 #3A480A

analogous

#0A1B48 #180A48 #370A48

triadic

#180A48 #48180A #0A4818

tetradic

#180A48 #480A1B #3A480A #0A4837

square

#180A48 #480A1B #3A480A #0A4837

split-complementary

#180A48 #48370A #1B480A

monochromatic

#09041B #09041B #180A48 #2A117E #3C19B3

Accessibility & contrast

On white

17.86

#180A48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#180A48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A48

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A48	#FFFFFF	#000000	##FFFFFF
##180A48	1.00	17.86	1.18	17.86
#FFFFFF	17.86	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194A

Deuteranopia (green-blind)

#001547

Tritanopia (blue-blind)

#001C29

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180a48;
/* rgb */ color: rgb(24, 10, 72);
/* oklch */ color: oklch(21.8% 0.106 283.6);

Tailwind

colors: {
  custom: {
    50: '#5d4b7c',
    500: '#180a48',
    950: '#000000',
  },
}

SCSS

$custom: #180a48;
$custom-light: #5d4b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#180a48",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 72
  },
  "hsl": {
    "h": 253.548,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.2182,
    "c": 0.10595,
    "h": 283.6
  },
  "luminance": 0.00879
}

Semantic roles & 50–950 ramp

primary

#180A48

secondary

#708529

accent

#F236C8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #180A48

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

Preview Lab → · Contrast checker → · Palette generator →