#1F0601#1F0601

#1F0601 is a very dark, muted red. Relative luminance 0.004; OKLCH L 16.7% C 0.048 H 39.8°. Best body text is #FFFFFF at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#1F0601
RGB	rgb(31, 6, 1)
HSL	hsl(10, 94%, 6%)
HSV	hsv(10, 97%, 12%)
CMYK	cmyk(0%, 80.6%, 96.8%, 87.8%)
CIE-LAB	lab(3.83, 9.54, 5.50)
CIE-LCH	lch(3.83, 11.01, 29.96°)
OKLab	oklab(16.68% 0.0367 0.0305)
OKLCH	oklch(16.68% 0.048 39.8)
XYZ	xyz(0.6357, 0.4238, 0.0770)
Luminance	0.0042 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0601 #011A1F

analogous

#1F010B #1F0601 #1F1501

triadic

#1F0601 #011F06 #06011F

tetradic

#1F0601 #0B1F01 #011A1F #15011F

square

#1F0601 #0B1F01 #011A1F #15011F

split-complementary

#1F0601 #011F15 #010B1F

monochromatic

#1E0601 #1E0601 #1F0601 #5A1103 #961D05

Accessibility & contrast

On white

19.36

#1F0601 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1F0601 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0601

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0601	#FFFFFF	#000000	##FFFFFF
##1F0601	1.00	19.36	1.08	19.36
#FFFFFF	19.36	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0A01

Deuteranopia (green-blind)

#131001

Tritanopia (blue-blind)

#230205

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1f0601;
/* rgb */ color: rgb(31, 6, 1);
/* oklch */ color: oklch(16.7% 0.048 39.8);

Tailwind

colors: {
  custom: {
    50: '#5a4947',
    500: '#1f0601',
    950: '#000000',
  },
}

SCSS

$custom: #1f0601;
$custom-light: #5a4947;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0601",
  "rgb": {
    "r": 31,
    "g": 6,
    "b": 1
  },
  "hsl": {
    "h": 10,
    "s": 93.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.16685,
    "c": 0.04769,
    "h": 39.8
  },
  "luminance": 0.00424
}

Semantic roles & 50–950 ramp

primary

#1F0601

secondary

#155967

accent

#DBFF29

background

#F5F4F3

surface

#E9E6E5

border

#C5C2C1

text

#040000

muted

#797777

Preview Lab

Preview with #1F0601

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

Preview Lab → · Contrast checker → · Palette generator →