#180A37#180A37

#180A37 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.9% C 0.082 H 291.4°. Best body text is #FFFFFF at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#180A37
RGB	rgb(24, 10, 55)
HSL	hsl(259, 69%, 13%)
HSV	hsv(259, 82%, 22%)
CMYK	cmyk(56.4%, 81.8%, 0%, 78.4%)
CIE-LAB	lab(6.21, 19.88, -26.40)
CIE-LCH	lch(6.21, 33.05, 306.98°)
OKLab	oklab(19.92% 0.0299 -0.0765)
OKLCH	oklch(19.92% 0.082 291.4)
XYZ	xyz(1.1746, 0.6871, 3.6844)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A37 #29370A

analogous

#0A1237 #180A37 #2E0A37

triadic

#180A37 #37180A #0A3718

tetradic

#180A37 #370A12 #29370A #0A372E

square

#180A37 #370A12 #29370A #0A372E

split-complementary

#180A37 #372E0A #12370A

monochromatic

#0B051A #0B051A #180A37 #2F136B #451D9F

Accessibility & contrast

On white

18.46

#180A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A37

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A37	#FFFFFF	#000000	##FFFFFF
##180A37	1.00	18.46	1.14	18.46
#FFFFFF	18.46	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001336

Tritanopia (blue-blind)

#0E151F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180a37;
/* rgb */ color: rgb(24, 10, 55);
/* oklch */ color: oklch(19.9% 0.082 291.4);

Tailwind

colors: {
  custom: {
    50: '#584a6e',
    500: '#180a37',
    950: '#000000',
  },
}

SCSS

$custom: #180a37;
$custom-light: #584a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#180a37",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 55
  },
  "hsl": {
    "h": 258.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19915,
    "c": 0.08211,
    "h": 291.4
  },
  "luminance": 0.00687
}

Semantic roles & 50–950 ramp

primary

#180A37

secondary

#5D7428

accent

#EC3CB5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180A37

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

Preview Lab → · Contrast checker → · Palette generator →