#511910
Closest named color: Chocolate Brown (#411900). oklch(30.1% 0.086 31.6), rgb(81, 25, 16).
Aa
White text reads best on this color (14.03:1).
About this color
#511910 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.086 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.042 away. White text reads best on it, at 14.03:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.49:1 |
| White text | 14.03:1 |
Values
| HEX | #511910 |
| RGB | rgb(81, 25, 16) |
| HSL | hsl(8, 67%, 19%) |
| OKLCH | oklch(30.1% 0.086 31.6) |
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 #511910 | 14.03:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #511910 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #511910 text on white | 14.03:1 | AAA | Lc 100.1 | Preferred for body text |
| #511910 text on black | 1.49:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC2
oklch(88.4% 0.056 31.8)
-
Step 300
300
#FBA898
oklch(80.9% 0.102 31.4)
-
Step 400
400
#F5745E
oklch(70.7% 0.163 31.4)
-
Step 500
500
#ED452B
oklch(63.2% 0.209 31.7)
-
Step 600
600
#D32100
oklch(55.6% 0.213 31.6)
-
Step 700
700
#B31A00
oklch(49.1% 0.188 31.6)
-
Step 800
800
#941400
oklch(42.7% 0.164 31.6)
-
Step 900
900
#7A1607
oklch(37.8% 0.136 31.5)
-
Step 950
950 (this color)
#511910
oklch(30.1% 0.086 31.6)
#511910 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) | #29240F | 0.088 |
| Deuteranopia (no green cones) | #36300E | 0.082 |
| Tritanopia (no blue cones) | #5A0B17 | 0.032 |
| Achromatopsia (no color) | #2C2C2C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511910
#511910
oklch(30.1% 0.086 31.6)
- #00353D
#00353D
oklch(30.2% 0.052 210.9)
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 #511910, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.042
- Mahogany #4A0100 ΔE 0.047
- Claret #680018 ΔE 0.057
- Burgundy #610023 ΔE 0.058
- Reddy Brown #6E1005 ΔE 0.063
- Deep Brown #410200 ΔE 0.064
- Dark Brown #341C02 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.078
Use #511910 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.