#180A2A#180A2A

#180A2A is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.6% C 0.063 H 300.6°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#180A2A
RGB	rgb(24, 10, 42)
HSL	hsl(266, 62%, 10%)
HSV	hsv(266, 76%, 16%)
CMYK	cmyk(42.9%, 76.2%, 0%, 83.5%)
CIE-LAB	lab(5.22, 14.41, -18.32)
CIE-LCH	lch(5.22, 23.31, 308.19°)
OKLab	oklab(18.64% 0.0319 -0.054)
OKLCH	oklch(18.64% 0.063 300.6)
XYZ	xyz(0.9030, 0.5784, 2.2541)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A2A #1C2A0A

analogous

#0A0C2A #180A2A #280A2A

triadic

#180A2A #2A180A #0A2A18

tetradic

#180A2A #2A0A0C #1C2A0A #0A2A28

square

#180A2A #2A0A0C #1C2A0A #0A2A28

split-complementary

#180A2A #2A280A #0C2A0A

monochromatic

#0E0619 #0E0619 #180A2A #34165B #50228D

Accessibility & contrast

On white

18.82

#180A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A2A

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A2A	#FFFFFF	#000000	##FFFFFF
##180A2A	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112B

Deuteranopia (green-blind)

#021129

Tritanopia (blue-blind)

#141118

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180a2a;
/* rgb */ color: rgb(24, 10, 42);
/* oklch */ color: oklch(18.6% 0.063 300.6);

Tailwind

colors: {
  custom: {
    50: '#564b63',
    500: '#180a2a',
    950: '#000000',
  },
}

SCSS

$custom: #180a2a;
$custom-light: #564b63;
$custom-dark: #000000;

JSON

{
  "hex": "#180a2a",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 42
  },
  "hsl": {
    "h": 266.25,
    "s": 61.538,
    "l": 10.196
  },
  "oklch": {
    "l": 0.18643,
    "c": 0.06269,
    "h": 300.6
  },
  "luminance": 0.00578
}

Semantic roles & 50–950 ramp

primary

#180A2A

secondary

#4C6729

accent

#E5439E

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#030105

muted

#787779

Preview Lab

Preview with #180A2A

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

Preview Lab → · Contrast checker → · Palette generator →