#180B3F#180B3F

#180B3F is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.092 H 286.9°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#180B3F
RGB	rgb(24, 11, 63)
HSL	hsl(255, 70%, 15%)
HSV	hsv(255, 83%, 25%)
CMYK	cmyk(61.9%, 82.5%, 0%, 75.3%)
CIE-LAB	lab(7.16, 22.56, -30.63)
CIE-LCH	lch(7.16, 38.04, 306.36°)
OKLab	oklab(20.94% 0.0269 -0.0883)
OKLCH	oklch(20.94% 0.092 286.9)
XYZ	xyz(1.3933, 0.7923, 4.7812)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180B3F #323F0B

analogous

#0B183F #180B3F #320B3F

triadic

#180B3F #3F180B #0B3F18

tetradic

#180B3F #3F0B18 #323F0B #0B3F32

square

#180B3F #3F0B18 #323F0B #0B3F32

split-complementary

#180B3F #3F320B #183F0B

monochromatic

#0A051A #0A051A #180B3F #2C1473 #401DA7

Accessibility & contrast

On white

18.13

#180B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B3F

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180B3F	#FFFFFF	#000000	##FFFFFF
##180B3F	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001741

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#081924

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180b3f;
/* rgb */ color: rgb(24, 11, 63);
/* oklch */ color: oklch(20.9% 0.092 286.9);

Tailwind

colors: {
  custom: {
    50: '#5a4b75',
    500: '#180b3f',
    950: '#000000',
  },
}

SCSS

$custom: #180b3f;
$custom-light: #5a4b75;
$custom-dark: #000000;

JSON

{
  "hex": "#180b3f",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 63
  },
  "hsl": {
    "h": 255,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20938,
    "c": 0.09226,
    "h": 286.9
  },
  "luminance": 0.00792
}

Semantic roles & 50–950 ramp

primary

#180B3F

secondary

#677C2A

accent

#ED3BC0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180B3F

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

Preview Lab → · Contrast checker → · Palette generator →