#180A40#180A40

#180A40 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.095 H 286.9°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#180A40
RGB	rgb(24, 10, 64)
HSL	hsl(256, 73%, 15%)
HSV	hsv(256, 84%, 25%)
CMYK	cmyk(62.5%, 84.4%, 0%, 74.9%)
CIE-LAB	lab(7.06, 23.48, -31.51)
CIE-LCH	lch(7.06, 39.29, 306.69°)
OKLab	oklab(20.9% 0.0275 -0.0909)
OKLCH	oklch(20.9% 0.095 286.9)
XYZ	xyz(1.4104, 0.7814, 4.9260)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A40 #32400A

analogous

#0A1740 #180A40 #330A40

triadic

#180A40 #40180A #0A4018

tetradic

#180A40 #400A17 #32400A #0A4033

square

#180A40 #400A17 #32400A #0A4033

split-complementary

#180A40 #40330A #17400A

monochromatic

#0A041A #0A041A #180A40 #2C1275 #401BAA

Accessibility & contrast

On white

18.16

#180A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A40

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A40	#FFFFFF	#000000	##FFFFFF
##180A40	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001742

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#071924

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180a40;
/* rgb */ color: rgb(24, 10, 64);
/* oklch */ color: oklch(20.9% 0.095 286.9);

Tailwind

colors: {
  custom: {
    50: '#5b4b75',
    500: '#180a40',
    950: '#000000',
  },
}

SCSS

$custom: #180a40;
$custom-light: #5b4b75;
$custom-dark: #000000;

JSON

{
  "hex": "#180a40",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 64
  },
  "hsl": {
    "h": 255.556,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20895,
    "c": 0.09494,
    "h": 286.9
  },
  "luminance": 0.00781
}

Semantic roles & 50–950 ramp

primary

#180A40

secondary

#677D29

accent

#F038C0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180A40

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

Preview Lab → · Contrast checker → · Palette generator →