#180B45#180B45

#180B45 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.6% C 0.101 H 284.5°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#180B45
RGB	rgb(24, 11, 69)
HSL	hsl(253, 73%, 16%)
HSV	hsv(253, 84%, 27%)
CMYK	cmyk(65.2%, 84.1%, 0%, 72.9%)
CIE-LAB	lab(7.80, 24.77, -33.85)
CIE-LCH	lch(7.80, 41.94, 306.20°)
OKLab	oklab(21.61% 0.0251 -0.0975)
OKLCH	oklch(21.61% 0.101 284.5)
XYZ	xyz(1.5702, 0.8631, 5.7129)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180B45 #38450B

analogous

#0B1B45 #180B45 #350B45

triadic

#180B45 #45180B #0B4518

tetradic

#180B45 #450B1B #38450B #0B4535

square

#180B45 #450B1B #38450B #0B4535

split-complementary

#180B45 #45350B #1B450B

monochromatic

#09041A #09041A #180B45 #2A137A #3D1CAF

Accessibility & contrast

On white

17.91

#180B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B45

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180B45	#FFFFFF	#000000	##FFFFFF
##180B45	1.00	17.91	1.17	17.91
#FFFFFF	17.91	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001947

Deuteranopia (green-blind)

#001544

Tritanopia (blue-blind)

#021B27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180b45;
/* rgb */ color: rgb(24, 11, 69);
/* oklch */ color: oklch(21.6% 0.101 284.5);

Tailwind

colors: {
  custom: {
    50: '#5c4b79',
    500: '#180b45',
    950: '#000000',
  },
}

SCSS

$custom: #180b45;
$custom-light: #5c4b79;
$custom-dark: #000000;

JSON

{
  "hex": "#180b45",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 69
  },
  "hsl": {
    "h": 253.448,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.21613,
    "c": 0.1007,
    "h": 284.5
  },
  "luminance": 0.00863
}

Semantic roles & 50–950 ramp

primary

#180B45

secondary

#6E812A

accent

#EF39C6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #180B45

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

Preview Lab → · Contrast checker → · Palette generator →