#180123#180123

#180123 is a very dark, moderate purple. Relative luminance 0.003; OKLCH L 16.0% C 0.075 H 313.4°. Best body text is #FFFFFF at 19.67:1 contrast (WCAG AA passes).

Color values

HEX	#180123
RGB	rgb(24, 1, 35)
HSL	hsl(281, 94%, 7%)
HSV	hsv(281, 97%, 14%)
CMYK	cmyk(31.4%, 97.1%, 0%, 86.3%)
CIE-LAB	lab(3.05, 15.17, -16.34)
CIE-LCH	lch(3.05, 22.29, 312.88°)
OKLab	oklab(16% 0.0513 -0.0543)
OKLCH	oklch(16% 0.075 313.4)
XYZ	xyz(0.6909, 0.3373, 1.6185)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180123 #0C2301

analogous

#070123 #180123 #23011D

triadic

#180123 #231801 #012318

tetradic

#180123 #230701 #0C2301 #011D23

square

#180123 #230701 #0C2301 #011D23

split-complementary

#180123 #1D2301 #012307

monochromatic

#14011E #14011E #180123 #41035F #6A049A

Accessibility & contrast

On white

19.67

#180123 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#180123 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180123

19.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180123	#FFFFFF	#000000	##FFFFFF
##180123	1.00	19.67	1.07	19.67
#FFFFFF	19.67	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A24

Deuteranopia (green-blind)

#000C22

Tritanopia (blue-blind)

#170710

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #180123;
/* rgb */ color: rgb(24, 1, 35);
/* oklch */ color: oklch(16.0% 0.075 313.4);

Tailwind

colors: {
  custom: {
    50: '#54475e',
    500: '#180123',
    950: '#000000',
  },
}

SCSS

$custom: #180123;
$custom-light: #54475e;
$custom-dark: #000000;

JSON

{
  "hex": "#180123",
  "rgb": {
    "r": 24,
    "g": 1,
    "b": 35
  },
  "hsl": {
    "h": 280.588,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.15999,
    "c": 0.07476,
    "h": 313.4
  },
  "luminance": 0.00337
}

Semantic roles & 50–950 ramp

primary

#180123

secondary

#316A16

accent

#FF296E

background

#F4F3F5

surface

#E7E5E9

border

#C3C1C5

text

#030004

muted

#787779

Preview Lab

Preview with #180123

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

Preview Lab → · Contrast checker → · Palette generator →