#1F012A#1F012A

#1F012A is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.0% C 0.085 H 315.5°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F012A
RGB	rgb(31, 1, 42)
HSL	hsl(284, 95%, 8%)
HSV	hsv(284, 98%, 16%)
CMYK	cmyk(26.2%, 97.6%, 0%, 83.5%)
CIE-LAB	lab(4.34, 21.67, -19.66)
CIE-LCH	lch(4.34, 29.26, 317.79°)
OKLab	oklab(18.01% 0.0605 -0.0593)
OKLCH	oklch(18.01% 0.085 315.5)
XYZ	xyz(0.9938, 0.4802, 2.2304)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F012A #0C2A01

analogous

#0A012A #1F012A #2A0120

triadic

#1F012A #2A1F01 #012A1F

tetradic

#1F012A #2A0A01 #0C2A01 #01202A

square

#1F012A #2A0A01 #0C2A01 #01202A

split-complementary

#1F012A #202A01 #012A0A

monochromatic

#16011E #16011E #1F012A #4B0266 #7704A2

Accessibility & contrast

On white

19.16

#1F012A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F012A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F012A

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F012A	#FFFFFF	#000000	##FFFFFF
##1F012A	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2B

Deuteranopia (green-blind)

#001029

Tritanopia (blue-blind)

#1E0915

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1f012a;
/* rgb */ color: rgb(31, 1, 42);
/* oklch */ color: oklch(18.0% 0.085 315.5);

Tailwind

colors: {
  custom: {
    50: '#5c4664',
    500: '#1f012a',
    950: '#000000',
  },
}

SCSS

$custom: #1f012a;
$custom-light: #5c4664;
$custom-dark: #000000;

JSON

{
  "hex": "#1f012a",
  "rgb": {
    "r": 31,
    "g": 1,
    "b": 42
  },
  "hsl": {
    "h": 283.902,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18014,
    "c": 0.08474,
    "h": 315.5
  },
  "luminance": 0.0048
}

Semantic roles & 50–950 ramp

primary

#1F012A

secondary

#2F7016

accent

#FF2962

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#040005

muted

#797779

Preview Lab

Preview with #1F012A

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

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