#180A41#180A41

#180A41 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.0% C 0.096 H 286.4°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#180A41
RGB	rgb(24, 10, 65)
HSL	hsl(255, 73%, 15%)
HSV	hsv(255, 85%, 25%)
CMYK	cmyk(63.1%, 84.6%, 0%, 74.5%)
CIE-LAB	lab(7.16, 23.86, -32.05)
CIE-LCH	lch(7.16, 39.96, 306.67°)
OKLab	oklab(21.01% 0.0272 -0.0924)
OKLCH	oklch(21.01% 0.096 286.4)
XYZ	xyz(1.4391, 0.7928, 5.0772)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A41 #33410A

analogous

#0A1841 #180A41 #340A41

triadic

#180A41 #41180A #0A4118

tetradic

#180A41 #410A18 #33410A #0A4134

square

#180A41 #410A18 #33410A #0A4134

split-complementary

#180A41 #41340A #18410A

monochromatic

#0A041B #0A041B #180A41 #2C1276 #3F1AAB

Accessibility & contrast

On white

18.13

#180A41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180A41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A41

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A41	#FFFFFF	#000000	##FFFFFF
##180A41	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001743

Deuteranopia (green-blind)

#001440

Tritanopia (blue-blind)

#061925

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180a41;
/* rgb */ color: rgb(24, 10, 65);
/* oklch */ color: oklch(21.0% 0.096 286.4);

Tailwind

colors: {
  custom: {
    50: '#5b4b76',
    500: '#180a41',
    950: '#000000',
  },
}

SCSS

$custom: #180a41;
$custom-light: #5b4b76;
$custom-dark: #000000;

JSON

{
  "hex": "#180a41",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 65
  },
  "hsl": {
    "h": 255.273,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21008,
    "c": 0.09634,
    "h": 286.4
  },
  "luminance": 0.00793
}

Semantic roles & 50–950 ramp

primary

#180A41

secondary

#687E29

accent

#F038C1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180A41

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

Preview Lab → · Contrast checker → · Palette generator →