#180D4E#180D4E

#180D4E is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.111 H 280.9°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#180D4E
RGB	rgb(24, 13, 78)
HSL	hsl(250, 71%, 18%)
HSV	hsv(250, 83%, 31%)
CMYK	cmyk(69.2%, 83.3%, 0%, 69.4%)
CIE-LAB	lab(9.26, 26.73, -37.73)
CIE-LCH	lch(9.26, 46.23, 305.32°)
OKLab	oklab(22.95% 0.0209 -0.1089)
OKLCH	oklch(22.95% 0.111 280.9)
XYZ	xyz(1.8953, 1.0320, 7.3056)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D4E #434E0D

analogous

#0D224E #180D4E #380D4E

triadic

#180D4E #4E180D #0D4E18

tetradic

#180D4E #4E0D22 #434E0D #0D4E38

square

#180D4E #4E0D22 #434E0D #0D4E38

split-complementary

#180D4E #4E380D #224E0D

monochromatic

#08041A #08041A #180D4E #281682 #381EB7

Accessibility & contrast

On white

17.41

#180D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D4E

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D4E	#FFFFFF	#000000	##FFFFFF
##180D4E	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180d4e;
/* rgb */ color: rgb(24, 13, 78);
/* oklch */ color: oklch(23.0% 0.111 280.9);

Tailwind

colors: {
  custom: {
    50: '#5e4d80',
    500: '#180d4e',
    950: '#000000',
  },
}

SCSS

$custom: #180d4e;
$custom-light: #5e4d80;
$custom-dark: #000000;

JSON

{
  "hex": "#180d4e",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 78
  },
  "hsl": {
    "h": 250.154,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22952,
    "c": 0.11085,
    "h": 280.9
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary

#180D4E

secondary

#7A892E

accent

#EE3AD0

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180D4E

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

Preview Lab → · Contrast checker → · Palette generator →