#180D33#180D33

#180D33 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.1% C 0.071 H 292.0°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#180D33
RGB	rgb(24, 13, 51)
HSL	hsl(257, 59%, 13%)
HSV	hsv(257, 75%, 20%)
CMYK	cmyk(52.9%, 74.5%, 0%, 80%)
CIE-LAB	lab(6.51, 16.67, -22.98)
CIE-LCH	lch(6.51, 28.39, 305.96°)
OKLab	oklab(20.05% 0.0268 -0.0661)
OKLCH	oklch(20.05% 0.071 292)
XYZ	xyz(1.1180, 0.7210, 3.2116)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.07

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D33 #28330D

analogous

#0D1533 #180D33 #2B0D33

triadic

#180D33 #33180D #0D3318

tetradic

#180D33 #330D15 #28330D #0D332B

square

#180D33 #330D15 #28330D #0D332B

split-complementary

#180D33 #332B0D #15330D

monochromatic

#0B0618 #0B0618 #180D33 #2F1964 #462695

Accessibility & contrast

On white

18.35

#180D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D33

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D33	#FFFFFF	#000000	##FFFFFF
##180D33	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001534

Deuteranopia (green-blind)

#001432

Tritanopia (blue-blind)

#10161E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180d33;
/* rgb */ color: rgb(24, 13, 51);
/* oklch */ color: oklch(20.1% 0.071 292.0);

Tailwind

colors: {
  custom: {
    50: '#574c6b',
    500: '#180d33',
    950: '#000000',
  },
}

SCSS

$custom: #180d33;
$custom-light: #574c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#180d33",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 51
  },
  "hsl": {
    "h": 257.368,
    "s": 59.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.20051,
    "c": 0.07137,
    "h": 292
  },
  "luminance": 0.00721
}

Semantic roles & 50–950 ramp

primary

#180D33

secondary

#5C6E2E

accent

#E345B5

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #180D33

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

Preview Lab → · Contrast checker → · Palette generator →