#180A3F#180A3F

#180A3F is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.094 H 287.3°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#180A3F
RGB	rgb(24, 10, 63)
HSL	hsl(256, 73%, 14%)
HSV	hsv(256, 84%, 25%)
CMYK	cmyk(61.9%, 84.1%, 0%, 75.3%)
CIE-LAB	lab(6.96, 23.09, -30.96)
CIE-LCH	lch(6.96, 38.63, 306.72°)
OKLab	oklab(20.78% 0.0278 -0.0893)
OKLCH	oklch(20.78% 0.094 287.3)
XYZ	xyz(1.3822, 0.7701, 4.7775)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A3F #313F0A

analogous

#0A173F #180A3F #330A3F

triadic

#180A3F #3F180A #0A3F18

tetradic

#180A3F #3F0A17 #313F0A #0A3F33

square

#180A3F #3F0A17 #313F0A #0A3F33

split-complementary

#180A3F #3F330A #173F0A

monochromatic

#0A041A #0A041A #180A3F #2C1274 #401BA9

Accessibility & contrast

On white

18.20

#180A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#180A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A3F

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A3F	#FFFFFF	#000000	##FFFFFF
##180A3F	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001741

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#081924

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #180a3f;
/* rgb */ color: rgb(24, 10, 63);
/* oklch */ color: oklch(20.8% 0.094 287.3);

Tailwind

colors: {
  custom: {
    50: '#5a4b75',
    500: '#180a3f',
    950: '#000000',
  },
}

SCSS

$custom: #180a3f;
$custom-light: #5a4b75;
$custom-dark: #000000;

JSON

{
  "hex": "#180a3f",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 63
  },
  "hsl": {
    "h": 255.849,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20783,
    "c": 0.09353,
    "h": 287.3
  },
  "luminance": 0.0077
}

Semantic roles & 50–950 ramp

primary

#180A3F

secondary

#667C29

accent

#EF38BF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180A3F

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

Preview Lab → · Contrast checker → · Palette generator →