#51170C
Closest named color: Chocolate Brown (#411900). oklch(29.8% 0.089 32.8), rgb(81, 23, 12).
Aa
White text reads best on this color (14.21:1).
About this color
#51170C is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.089 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.040 away. White text reads best on it, at 14.21:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.47:1 |
| White text | 14.21:1 |
Values
| HEX | #51170C |
| RGB | rgb(81, 23, 12) |
| HSL | hsl(10, 74%, 18%) |
| OKLCH | oklch(29.8% 0.089 32.8) |
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 #51170C | 14.21:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #51170C | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #51170C text on white | 14.21:1 | AAA | Lc 100.3 | Preferred for body text |
| #51170C text on black | 1.47:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FDCCC1
oklch(88.5% 0.058 32.8)
-
Step 300
300
#FDA795
oklch(80.9% 0.106 32.4)
-
Step 400
400
#F77258
oklch(70.6% 0.169 32.7)
-
Step 500
500
#F0411E
oklch(63.2% 0.216 32.9)
-
Step 600
600
#D02900
oklch(55.5% 0.206 32.8)
-
Step 700
700
#B02100
oklch(49% 0.182 32.8)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#7B1400
oklch(37.7% 0.14 32.8)
-
Step 950
950 (this color)
#51170C
oklch(29.8% 0.089 32.8)
#51170C 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) | #28230A | 0.092 |
| Deuteranopia (no green cones) | #362F0A | 0.083 |
| Tritanopia (no blue cones) | #5A0715 | 0.033 |
| Achromatopsia (no color) | #2B2B2B | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51170C
#51170C
oklch(29.8% 0.089 32.8)
- #00343D
#00343D
oklch(29.9% 0.052 213)
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 #51170C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.040
- Mahogany #4A0100 ΔE 0.043
- Claret #680018 ΔE 0.058
- Burgundy #610023 ΔE 0.059
- Deep Brown #410200 ΔE 0.060
- Reddy Brown #6E1005 ΔE 0.064
- Dark Brown #341C02 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.075
Use #51170C 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.