#180A2F#180A2F

#180A2F is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.1% C 0.070 H 296.5°. Best body text is #FFFFFF at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#180A2F
RGB	rgb(24, 10, 47)
HSL	hsl(263, 65%, 11%)
HSV	hsv(263, 79%, 18%)
CMYK	cmyk(48.9%, 78.7%, 0%, 81.6%)
CIE-LAB	lab(5.57, 16.53, -21.53)
CIE-LCH	lch(5.57, 27.14, 307.51°)
OKLab	oklab(19.11% 0.0314 -0.0629)
OKLCH	oklch(19.11% 0.07 296.5)
XYZ	xyz(0.9982, 0.6165, 2.7552)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.43

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A2F #212F0A

analogous

#0A0E2F #180A2F #2A0A2F

triadic

#180A2F #2F180A #0A2F18

tetradic

#180A2F #2F0A0E #212F0A #0A2F2A

square

#180A2F #2F0A0E #212F0A #0A2F2A

split-complementary

#180A2F #2F2A0A #0E2F0A

monochromatic

#0D0519 #0D0519 #180A2F #321561 #4C1F94

Accessibility & contrast

On white

18.69

#180A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A2F

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A2F	#FFFFFF	#000000	##FFFFFF
##180A2F	1.00	18.69	1.12	18.69
#FFFFFF	18.69	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001230

Deuteranopia (green-blind)

#00122E

Tritanopia (blue-blind)

#12131B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #180a2f;
/* rgb */ color: rgb(24, 10, 47);
/* oklch */ color: oklch(19.1% 0.070 296.5);

Tailwind

colors: {
  custom: {
    50: '#574a68',
    500: '#180a2f',
    950: '#000000',
  },
}

SCSS

$custom: #180a2f;
$custom-light: #574a68;
$custom-dark: #000000;

JSON

{
  "hex": "#180a2f",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 47
  },
  "hsl": {
    "h": 262.703,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.19109,
    "c": 0.07028,
    "h": 296.5
  },
  "luminance": 0.00617
}

Semantic roles & 50–950 ramp

primary

#180A2F

secondary

#536C29

accent

#E840A8

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #180A2F

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

Preview Lab → · Contrast checker → · Palette generator →