#180638#180638

#180638 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.3% C 0.090 H 292.6°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#180638
RGB	rgb(24, 6, 56)
HSL	hsl(262, 81%, 12%)
HSV	hsv(262, 89%, 22%)
CMYK	cmyk(57.1%, 89.3%, 0%, 78%)
CIE-LAB	lab(5.51, 22.25, -28.26)
CIE-LCH	lch(5.51, 35.97, 308.22°)
OKLab	oklab(19.34% 0.0345 -0.0827)
OKLCH	oklch(19.34% 0.09 292.6)
XYZ	xyz(1.1554, 0.6099, 3.7975)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 4.99

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180638 #263806

analogous

#060D38 #180638 #310638

triadic

#180638 #381806 #063818

tetradic

#180638 #38060D #263806 #063831

square

#180638 #38060D #263806 #063831

split-complementary

#180638 #383106 #0D3806

monochromatic

#0C031C #0C031C #180638 #300C6F #4712A7

Accessibility & contrast

On white

18.72

#180638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180638

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180638	#FFFFFF	#000000	##FFFFFF
##180638	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001339

Deuteranopia (green-blind)

#001137

Tritanopia (blue-blind)

#0E141E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #180638;
/* rgb */ color: rgb(24, 6, 56);
/* oklch */ color: oklch(19.3% 0.090 292.6);

Tailwind

colors: {
  custom: {
    50: '#59486f',
    500: '#180638',
    950: '#000000',
  },
}

SCSS

$custom: #180638;
$custom-light: #59486f;
$custom-dark: #000000;

JSON

{
  "hex": "#180638",
  "rgb": {
    "r": 24,
    "g": 6,
    "b": 56
  },
  "hsl": {
    "h": 261.6,
    "s": 80.645,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19342,
    "c": 0.08958,
    "h": 292.6
  },
  "luminance": 0.0061
}

Semantic roles & 50–950 ramp

primary

#180638

secondary

#597821

accent

#F731B0

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180638

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

Preview Lab → · Contrast checker → · Palette generator →