#0D0101
Closest named color: Very Dark Brown (#1D0200). oklch(10.7% 0.034 25), rgb(13, 1, 1).
Aa
White text reads best on this color (20.55:1).
About this color
#0D0101 is a very dark, muted red. In OKLCH its lightness is 11%, its chroma 0.034 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.049 away. White text reads best on it, at 20.55:1.
| Hue family | Reds |
| Lightness | very dark (11%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.02:1 |
| White text | 20.55:1 |
Values
| HEX | #0D0101 |
| RGB | rgb(13, 1, 1) |
| HSL | hsl(0, 86%, 3%) |
| OKLCH | oklch(10.7% 0.034 25) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0D0101 | 20.55:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #0D0101 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #0D0101 text on white | 20.55:1 | AAA | Lc 106.0 | Preferred for body text |
| #0D0101 text on black | 1.02:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E8D4D2
oklch(88.6% 0.022 24.5)
-
Step 300
300
#DAB7B4
oklch(80.9% 0.041 23.8)
-
Step 400
400
#C6918C
oklch(70.6% 0.065 24.9)
-
Step 500
500
#B67670
oklch(63.1% 0.082 25.5)
-
Step 600
600
#A15E58
oklch(55.6% 0.089 25.8)
-
Step 700
700
#8A4D48
oklch(49.1% 0.083 25.5)
-
Step 800
800
#703F3C
oklch(42.6% 0.069 24.1)
-
Step 900
900
#5B3633
oklch(37.7% 0.054 24.9)
-
Step 950
950 (this color)
#0D0101
oklch(10.7% 0.034 25)
#0D0101 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #030201 | 0.036 |
| Deuteranopia (no green cones) | #060401 | 0.030 |
| Tritanopia (no blue cones) | #0F0001 | 0.010 |
| Achromatopsia (no color) | #040404 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D0101
#0D0101
oklch(10.7% 0.034 25)
- #000506
#000506
oklch(10.5% 0.018 205.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0D0101, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.049
- Almost Black #070D0D ΔE 0.063
- Rich Navy #001219 ΔE 0.089
- Midnight #03012D ΔE 0.112
- Black #000000 ΔE 0.112
- Dark Navy Blue #00022E ΔE 0.117
- Very Dark Blue #000133 ΔE 0.126
- Rich Black #0D1B2A ΔE 0.128
Use #0D0101 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.