#180B34#180B34

#180B34 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.8% C 0.076 H 292.6°. Best body text is #FFFFFF at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#180B34
RGB	rgb(24, 11, 52)
HSL	hsl(259, 65%, 12%)
HSV	hsv(259, 79%, 20%)
CMYK	cmyk(53.8%, 78.8%, 0%, 79.6%)
CIE-LAB	lab(6.16, 18.15, -24.29)
CIE-LCH	lch(6.16, 30.32, 306.77°)
OKLab	oklab(19.78% 0.0293 -0.0703)
OKLCH	oklch(19.78% 0.076 292.6)
XYZ	xyz(1.1160, 0.6814, 3.3209)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.22

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180B34 #27340B

analogous

#0B1334 #180B34 #2C0B34

triadic

#180B34 #34180B #0B3418

tetradic

#180B34 #340B13 #27340B #0B342C

square

#180B34 #340B13 #27340B #0B342C

split-complementary

#180B34 #342C0B #13340B

monochromatic

#0C0519 #0C0519 #180B34 #2F1667 #472099

Accessibility & contrast

On white

18.48

#180B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B34

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180B34	#FFFFFF	#000000	##FFFFFF
##180B34	1.00	18.48	1.14	18.48
#FFFFFF	18.48	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001435

Deuteranopia (green-blind)

#001333

Tritanopia (blue-blind)

#10151E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180b34;
/* rgb */ color: rgb(24, 11, 52);
/* oklch */ color: oklch(19.8% 0.076 292.6);

Tailwind

colors: {
  custom: {
    50: '#584b6c',
    500: '#180b34',
    950: '#000000',
  },
}

SCSS

$custom: #180b34;
$custom-light: #584b6c;
$custom-dark: #000000;

JSON

{
  "hex": "#180b34",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 52
  },
  "hsl": {
    "h": 259.024,
    "s": 65.079,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19778,
    "c": 0.07617,
    "h": 292.6
  },
  "luminance": 0.00681
}

Semantic roles & 50–950 ramp

primary

#180B34

secondary

#5A712A

accent

#E840B3

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #180B34

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

Preview Lab → · Contrast checker → · Palette generator →