#15040A
Closest named color: Very Dark Brown (#1D0200). oklch(14.4% 0.036 357), rgb(21, 4, 10).
Aa
White text reads best on this color (19.93:1).
About this color
#15040A is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.036 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.034 away. White text reads best on it, at 19.93:1.
| Hue family | Reds |
| Lightness | very dark (14%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.05:1 |
| White text | 19.93:1 |
Values
| HEX | #15040A |
| RGB | rgb(21, 4, 10) |
| HSL | hsl(339, 68%, 5%) |
| OKLCH | oklch(14.4% 0.036 357) |
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 #15040A | 19.93:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #15040A | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #15040A text on white | 19.93:1 | AAA | Lc 105.8 | Preferred for body text |
| #15040A text on black | 1.05:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E7D3D9
oklch(88.5% 0.024 357.4)
-
Step 300
300
#D8B6C1
oklch(80.9% 0.042 356.6)
-
Step 400
400
#C48FA1
oklch(70.6% 0.068 356.9)
-
Step 500
500
#B4738A
oklch(63.1% 0.087 357.1)
-
Step 600
600
#9F5B74
oklch(55.6% 0.094 357.1)
-
Step 700
700
#884A61
oklch(49.1% 0.088 357.2)
-
Step 800
800
#6E3D4F
oklch(42.6% 0.072 357.2)
-
Step 900
900
#5A3542
oklch(37.8% 0.056 357.5)
-
Step 950
950 (this color)
#15040A
oklch(14.4% 0.036 357)
#15040A 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) | #06070A | 0.039 |
| Deuteranopia (no green cones) | #0A0A0A | 0.036 |
| Tritanopia (no blue cones) | #170306 | 0.010 |
| Achromatopsia (no color) | #090909 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15040A
#15040A
oklch(14.4% 0.036 357)
- #000D0A
#000D0A
oklch(14.3% 0.026 180.2)
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 #15040A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.034
- Almost Black #070D0D ΔE 0.046
- Rich Navy #001219 ΔE 0.067
- Midnight #03012D ΔE 0.093
- Rich Black #0D1B2A ΔE 0.093
- Dark Navy Blue #00022E ΔE 0.098
- Very Dark Purple #2A0134 ΔE 0.099
- Dark Maroon #3C0008 ΔE 0.101
Use #15040A 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.