#1D012B#1D012B

#1D012B is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 17.7% C 0.085 H 312.0°. Best body text is #FFFFFF at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D012B
RGB	rgb(29, 1, 43)
HSL	hsl(280, 95%, 9%)
HSV	hsv(280, 98%, 17%)
CMYK	cmyk(32.6%, 97.7%, 0%, 83.1%)
CIE-LAB	lab(4.13, 21.06, -20.76)
CIE-LCH	lch(4.13, 29.57, 315.41°)
OKLab	oklab(17.75% 0.0568 -0.0632)
OKLCH	oklch(17.75% 0.085 312)
XYZ	xyz(0.9535, 0.4574, 2.3231)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D012B #0F2B01

analogous

#08012B #1D012B #2B0124

triadic

#1D012B #2B1D01 #012B1D

tetradic

#1D012B #2B0801 #0F2B01 #01242B

square

#1D012B #2B0801 #0F2B01 #01242B

split-complementary

#1D012B #242B01 #012B08

monochromatic

#14011E #14011E #1D012B #450267 #6E04A3

Accessibility & contrast

On white

19.24

#1D012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1D012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D012B

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D012B	#FFFFFF	#000000	##FFFFFF
##1D012B	1.00	19.24	1.09	19.24
#FFFFFF	19.24	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#1B0A15

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1d012b;
/* rgb */ color: rgb(29, 1, 43);
/* oklch */ color: oklch(17.7% 0.085 312.0);

Tailwind

colors: {
  custom: {
    50: '#5a4664',
    500: '#1d012b',
    950: '#000000',
  },
}

SCSS

$custom: #1d012b;
$custom-light: #5a4664;
$custom-dark: #000000;

JSON

{
  "hex": "#1d012b",
  "rgb": {
    "r": 29,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 280,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.17745,
    "c": 0.08502,
    "h": 312
  },
  "luminance": 0.00457
}

Semantic roles & 50–950 ramp

primary

#1D012B

secondary

#357117

accent

#FF2970

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040005

muted

#79777A

Preview Lab

Preview with #1D012B

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

Preview Lab → · Contrast checker → · Palette generator →