#180740#180740

#180740 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.4% C 0.099 H 287.9°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#180740
RGB	rgb(24, 7, 64)
HSL	hsl(258, 80%, 14%)
HSV	hsv(258, 89%, 25%)
CMYK	cmyk(62.5%, 89.1%, 0%, 74.9%)
CIE-LAB	lab(6.47, 25.06, -32.47)
CIE-LCH	lch(6.47, 41.02, 307.66°)
OKLab	oklab(20.43% 0.0304 -0.094)
OKLCH	oklch(20.43% 0.099 287.9)
XYZ	xyz(1.3778, 0.7162, 4.9151)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180740 #2F4007

analogous

#071340 #180740 #350740

triadic

#180740 #401807 #074018

tetradic

#180740 #400713 #2F4007 #074035

square

#180740 #400713 #2F4007 #074035

split-complementary

#180740 #403507 #134007

monochromatic

#0A031C #0A031C #180740 #2D0D77 #4113AE

Accessibility & contrast

On white

18.37

#180740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180740

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180740	#FFFFFF	#000000	##FFFFFF
##180740	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#071723

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180740;
/* rgb */ color: rgb(24, 7, 64);
/* oklch */ color: oklch(20.4% 0.099 287.9);

Tailwind

colors: {
  custom: {
    50: '#5b4975',
    500: '#180740',
    950: '#000000',
  },
}

SCSS

$custom: #180740;
$custom-light: #5b4975;
$custom-dark: #000000;

JSON

{
  "hex": "#180740",
  "rgb": {
    "r": 24,
    "g": 7,
    "b": 64
  },
  "hsl": {
    "h": 257.895,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20435,
    "c": 0.09878,
    "h": 287.9
  },
  "luminance": 0.00716
}

Semantic roles & 50–950 ramp

primary

#180740

secondary

#647F24

accent

#F731BC

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180740

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

Preview Lab → · Contrast checker → · Palette generator →