#510411
Closest named color: Mahogany (#4A0100). oklch(27.9% 0.107 19.9), rgb(81, 4, 17).
Aa
White text reads best on this color (15.26:1).
About this color
#510411 is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.107 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.028 away. White text reads best on it, at 15.26:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.37:1 |
| White text | 15.26:1 |
Values
| HEX | #510411 |
| RGB | rgb(81, 4, 17) |
| HSL | hsl(350, 91%, 17%) |
| OKLCH | oklch(27.9% 0.107 19.9) |
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 #510411 | 15.26:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #510411 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #510411 text on white | 15.26:1 | AAA | Lc 101.0 | Preferred for body text |
| #510411 text on black | 1.37:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E1
oklch(93.6% 0.032 20.1)
-
Step 200
200
#FFCAC9
oklch(88.5% 0.06 19.6)
-
Step 300
300
#FFA4A4
oklch(80.9% 0.108 19.7)
-
Step 400
400
#FF676F
oklch(70.7% 0.185 20.1)
-
Step 500
500
#FE0044
oklch(63.1% 0.253 19.8)
-
Step 600
600
#D70038
oklch(55.6% 0.223 19.8)
-
Step 700
700
#B6002E
oklch(49.1% 0.197 19.8)
-
Step 800
800
#970024
oklch(42.8% 0.172 20)
-
Step 900
900
#7F001D
oklch(37.7% 0.152 19.9)
-
Step 950
950 (this color)
#510411
oklch(27.9% 0.107 19.9)
#510411 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) | #1E1B11 | 0.118 |
| Deuteranopia (no green cones) | #302B0E | 0.108 |
| Tritanopia (no blue cones) | #5A000A | 0.022 |
| Achromatopsia (no color) | #252525 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #510411
#510411
oklch(27.9% 0.107 19.9)
- #002F32
#002F32
oklch(27.8% 0.047 201.5)
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 #510411, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.028
- Burgundy #610023 ΔE 0.046
- Deep Brown #410200 ΔE 0.047
- Claret #680018 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.057
- Dark Plum #3F012C ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.076
Use #510411 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.