#1D040B
Closest named color: Very Dark Brown (#1D0200). oklch(16.1% 0.047 4.3), rgb(29, 4, 11).
Aa
White text reads best on this color (19.54:1).
About this color
#1D040B is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.047 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.029 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 | #1D040B |
| RGB | rgb(29, 4, 11) |
| HSL | hsl(343, 76%, 6%) |
| OKLCH | oklch(16.1% 0.047 4.3) |
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 #1D040B | 19.54:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1D040B | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #1D040B text on white | 19.54:1 | AAA | Lc 105.5 | Preferred for body text |
| #1D040B 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E6E8
oklch(93.7% 0.015 7.5)
-
Step 200
200
#ECD1D6
oklch(88.4% 0.031 5.1)
-
Step 300
300
#E1B2BC
oklch(80.9% 0.056 4.2)
-
Step 400
400
#D0899A
oklch(70.7% 0.089 4)
-
Step 500
500
#C26A81
oklch(63.1% 0.114 4.2)
-
Step 600
600
#AD506A
oklch(55.5% 0.124 4.4)
-
Step 700
700
#954059
oklch(49.1% 0.117 3.9)
-
Step 800
800
#793649
oklch(42.8% 0.096 4.1)
-
Step 900
900
#622F3D
oklch(37.7% 0.075 3.9)
-
Step 950
950 (this color)
#1D040B
oklch(16.1% 0.047 4.3)
#1D040B 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) | #08090B | 0.053 |
| Deuteranopia (no green cones) | #0F0E0A | 0.048 |
| Tritanopia (no blue cones) | #200206 | 0.013 |
| Achromatopsia (no color) | #0C0C0C | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D040B
#1D040B
oklch(16.1% 0.047 4.3)
- #00110F
#00110F
oklch(16% 0.028 186.1)
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 #1D040B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.029
- Almost Black #070D0D ΔE 0.058
- Rich Navy #001219 ΔE 0.075
- Dark Maroon #3C0008 ΔE 0.079
- Very Dark Purple #2A0134 ΔE 0.089
- Rich Black #0D1B2A ΔE 0.090
- Midnight Purple #280137 ΔE 0.093
- Deep Brown #410200 ΔE 0.095
Use #1D040B 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.