#1D0501
Closest named color: Very Dark Brown (#1D0200). oklch(16% 0.047 38.3), rgb(29, 5, 1).
Aa
White text reads best on this color (19.54:1).
About this color
#1D0501 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.047 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.012 away. White text reads best on it, at 19.54:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.54:1 |
Values
| HEX | #1D0501 |
| RGB | rgb(29, 5, 1) |
| HSL | hsl(9, 93%, 6%) |
| OKLCH | oklch(16% 0.047 38.3) |
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 #1D0501 | 19.54:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1D0501 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #1D0501 text on white | 19.54:1 | AAA | Lc 105.5 | Preferred for body text |
| #1D0501 text on black | 1.07:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#ECD3CB
oklch(88.5% 0.03 38.6)
-
Step 300
300
#E1B5A7
oklch(80.9% 0.055 38.4)
-
Step 400
400
#D18D78
oklch(70.7% 0.089 37.9)
-
Step 500
500
#C37055
oklch(63.1% 0.113 38.7)
-
Step 600
600
#AE563A
oklch(55.5% 0.123 38.3)
-
Step 700
700
#95462D
oklch(49% 0.113 38.1)
-
Step 800
800
#793A26
oklch(42.6% 0.094 38.2)
-
Step 900
900
#623223
oklch(37.6% 0.074 38.1)
-
Step 950
950 (this color)
#1D0501
oklch(16% 0.047 38.3)
#1D0501 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) | #0B0901 | 0.047 |
| Deuteranopia (no green cones) | #110E01 | 0.042 |
| Tritanopia (no blue cones) | #210204 | 0.019 |
| Achromatopsia (no color) | #0C0C0C | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D0501
#1D0501
oklch(16% 0.047 38.3)
- #001015
#001015
oklch(16% 0.028 216.7)
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 #1D0501, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.012
- Almost Black #070D0D ΔE 0.056
- Rich Navy #001219 ΔE 0.078
- Dark Maroon #3C0008 ΔE 0.081
- Deep Brown #410200 ΔE 0.092
- Dark Brown #341C02 ΔE 0.097
- Rich Black #0D1B2A ΔE 0.098
- Very Dark Purple #2A0134 ΔE 0.113
Use #1D0501 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.