#180D3E#180D3E

#180D3E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.2% C 0.088 H 286.5°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#180D3E
RGB	rgb(24, 13, 62)
HSL	hsl(253, 65%, 15%)
HSV	hsv(253, 79%, 24%)
CMYK	cmyk(61.3%, 79%, 0%, 75.7%)
CIE-LAB	lab(7.50, 21.00, -29.37)
CIE-LCH	lch(7.50, 36.10, 305.56°)
OKLab	oklab(21.16% 0.025 -0.0844)
OKLCH	oklch(21.16% 0.088 286.5)
XYZ	xyz(1.3899, 0.8298, 4.6434)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D3E #333E0D

analogous

#0D1B3E #180D3E #310D3E

triadic

#180D3E #3E180D #0D3E18

tetradic

#180D3E #3E0D1B #333E0D #0D3E31

square

#180D3E #3E0D1B #333E0D #0D3E31

split-complementary

#180D3E #3E310D #1B3E0D

monochromatic

#0A0519 #0A0519 #180D3E #2C1871 #3F22A3

Accessibility & contrast

On white

18.01

#180D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D3E

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D3E	#FFFFFF	#000000	##FFFFFF
##180D3E	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183F

Deuteranopia (green-blind)

#00153D

Tritanopia (blue-blind)

#081A24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180d3e;
/* rgb */ color: rgb(24, 13, 62);
/* oklch */ color: oklch(21.2% 0.088 286.5);

Tailwind

colors: {
  custom: {
    50: '#5a4c74',
    500: '#180d3e',
    950: '#000000',
  },
}

SCSS

$custom: #180d3e;
$custom-light: #5a4c74;
$custom-dark: #000000;

JSON

{
  "hex": "#180d3e",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 62
  },
  "hsl": {
    "h": 253.469,
    "s": 65.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2116,
    "c": 0.08808,
    "h": 286.5
  },
  "luminance": 0.0083
}

Semantic roles & 50–950 ramp

primary

#180D3E

secondary

#687A2D

accent

#E840C2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180D3E

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

Preview Lab → · Contrast checker → · Palette generator →