#1F010D
Closest named color: Very Dark Brown (#1D0200). oklch(15.9% 0.06 357.6), rgb(31, 1, 13).
Aa
White text reads best on this color (19.65:1).
About this color
#1F010D is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.060 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.037 away. White text reads best on it, at 19.65:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.65:1 |
Values
| HEX | #1F010D |
| RGB | rgb(31, 1, 13) |
| HSL | hsl(336, 94%, 6%) |
| OKLCH | oklch(15.9% 0.06 357.6) |
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 #1F010D | 19.65:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #1F010D | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #1F010D text on white | 19.65:1 | AAA | Lc 105.4 | Preferred for body text |
| #1F010D text on black | 1.06:1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E4EA
oklch(93.5% 0.021 355.2)
-
Step 200
200
#F0CFD9
oklch(88.5% 0.039 357.7)
-
Step 300
300
#E8AEC1
oklch(81% 0.072 357.4)
-
Step 400
400
#D981A1
oklch(70.6% 0.114 357.2)
-
Step 500
500
#CD5F8A
oklch(63.2% 0.146 357.5)
-
Step 600
600
#B84274
oklch(55.6% 0.159 357.4)
-
Step 700
700
#9E3361
oklch(49.1% 0.148 357.6)
-
Step 800
800
#802C4F
oklch(42.7% 0.121 357.7)
-
Step 900
900
#672842
oklch(37.6% 0.095 356.9)
-
Step 950
950 (this color)
#1F010D
oklch(15.9% 0.06 357.6)
#1F010D 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) | #05070D | 0.069 |
| Deuteranopia (no green cones) | #0E0E0C | 0.062 |
| Tritanopia (no blue cones) | #230005 | 0.021 |
| Achromatopsia (no color) | #0B0B0B | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F010D
#1F010D
oklch(15.9% 0.06 357.6)
- #00110D
#00110D
oklch(15.9% 0.029 178)
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 #1F010D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.037
- Almost Black #070D0D ΔE 0.070
- Dark Maroon #3C0008 ΔE 0.079
- Very Dark Purple #2A0134 ΔE 0.082
- Rich Navy #001219 ΔE 0.086
- Midnight Purple #280137 ΔE 0.087
- Deep Brown #410200 ΔE 0.096
- Rich Black #0D1B2A ΔE 0.098
Use #1F010D 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.