#180D4C#180D4C

#180D4C is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.7% C 0.108 H 281.5°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#180D4C
RGB	rgb(24, 13, 76)
HSL	hsl(250, 71%, 17%)
HSV	hsv(250, 83%, 30%)
CMYK	cmyk(68.4%, 82.9%, 0%, 70.2%)
CIE-LAB	lab(9.02, 26.03, -36.72)
CIE-LCH	lch(9.02, 45.01, 305.33°)
OKLab	oklab(22.72% 0.0215 -0.1059)
OKLCH	oklch(22.72% 0.108 281.5)
XYZ	xyz(1.8247, 1.0037, 6.9337)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D4C #414C0D

analogous

#0D224C #180D4C #370D4C

triadic

#180D4C #4C180D #0D4C18

tetradic

#180D4C #4C0D22 #414C0D #0D4C37

square

#180D4C #4C0D22 #414C0D #0D4C37

split-complementary

#180D4C #4C370D #224C0D

monochromatic

#08041A #08041A #180D4C #291680 #391FB5

Accessibility & contrast

On white

17.49

#180D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#180D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D4C

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D4C	#FFFFFF	#000000	##FFFFFF
##180D4C	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4E

Deuteranopia (green-blind)

#00174B

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180d4c;
/* rgb */ color: rgb(24, 13, 76);
/* oklch */ color: oklch(22.7% 0.108 281.5);

Tailwind

colors: {
  custom: {
    50: '#5d4d7f',
    500: '#180d4c',
    950: '#000000',
  },
}

SCSS

$custom: #180d4c;
$custom-light: #5d4d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#180d4c",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 76
  },
  "hsl": {
    "h": 250.476,
    "s": 70.787,
    "l": 17.451
  },
  "oklch": {
    "l": 0.22719,
    "c": 0.10808,
    "h": 281.5
  },
  "luminance": 0.01004
}

Semantic roles & 50–950 ramp

primary

#180D4C

secondary

#78872E

accent

#EE3ACE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180D4C

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

Preview Lab → · Contrast checker → · Palette generator →