#180A47#180A47

#180A47 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.7% C 0.105 H 284.0°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#180A47
RGB	rgb(24, 10, 71)
HSL	hsl(254, 75%, 16%)
HSV	hsv(254, 86%, 28%)
CMYK	cmyk(66.2%, 85.9%, 0%, 72.2%)
CIE-LAB	lab(7.82, 26.05, -35.21)
CIE-LCH	lch(7.82, 43.80, 306.49°)
OKLab	oklab(21.7% 0.0253 -0.1015)
OKLCH	oklch(21.7% 0.105 284)
XYZ	xyz(1.6222, 0.8661, 6.0417)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A47 #39470A

analogous

#0A1A47 #180A47 #360A47

triadic

#180A47 #47180A #0A4718

tetradic

#180A47 #470A1A #39470A #0A4736

square

#180A47 #470A1A #39470A #0A4736

split-complementary

#180A47 #47360A #1A470A

monochromatic

#09041B #09041B #180A47 #2A127D #3C19B2

Accessibility & contrast

On white

17.90

#180A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A47

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A47	#FFFFFF	#000000	##FFFFFF
##180A47	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001949

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#001C28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180a47;
/* rgb */ color: rgb(24, 10, 71);
/* oklch */ color: oklch(21.7% 0.105 284.0);

Tailwind

colors: {
  custom: {
    50: '#5c4b7b',
    500: '#180a47',
    950: '#000000',
  },
}

SCSS

$custom: #180a47;
$custom-light: #5c4b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#180a47",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 71
  },
  "hsl": {
    "h": 253.77,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21702,
    "c": 0.10459,
    "h": 284
  },
  "luminance": 0.00866
}

Semantic roles & 50–950 ramp

primary

#180A47

secondary

#6F8429

accent

#F236C7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #180A47

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

Preview Lab → · Contrast checker → · Palette generator →