#180D40#180D40

#180D40 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.4% C 0.091 H 285.7°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#180D40
RGB	rgb(24, 13, 64)
HSL	hsl(253, 66%, 15%)
HSV	hsv(253, 80%, 25%)
CMYK	cmyk(62.5%, 79.7%, 0%, 74.9%)
CIE-LAB	lab(7.70, 21.74, -30.46)
CIE-LCH	lch(7.70, 37.43, 305.51°)
OKLab	oklab(21.37% 0.0246 -0.0876)
OKLCH	oklch(21.37% 0.091 285.7)
XYZ	xyz(1.4457, 0.8521, 4.9378)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D40 #35400D

analogous

#0D1C40 #180D40 #310D40

triadic

#180D40 #40180D #0D4018

tetradic

#180D40 #400D1C #35400D #0D4031

square

#180D40 #400D1C #35400D #0D4031

split-complementary

#180D40 #40310D #1C400D

monochromatic

#0A0519 #0A0519 #180D40 #2B1773 #3E22A6

Accessibility & contrast

On white

17.94

#180D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D40

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D40	#FFFFFF	#000000	##FFFFFF
##180D40	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00153F

Tritanopia (blue-blind)

#071A25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180d40;
/* rgb */ color: rgb(24, 13, 64);
/* oklch */ color: oklch(21.4% 0.091 285.7);

Tailwind

colors: {
  custom: {
    50: '#5a4c75',
    500: '#180d40',
    950: '#000000',
  },
}

SCSS

$custom: #180d40;
$custom-light: #5a4c75;
$custom-dark: #000000;

JSON

{
  "hex": "#180d40",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 64
  },
  "hsl": {
    "h": 252.941,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21374,
    "c": 0.09102,
    "h": 285.7
  },
  "luminance": 0.00852
}

Semantic roles & 50–950 ramp

primary

#180D40

secondary

#6B7C2D

accent

#E93FC4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180D40

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

Preview Lab → · Contrast checker → · Palette generator →