#51201B
Closest named color: Chocolate Brown (#411900). oklch(31.4% 0.075 28), rgb(81, 32, 27).
Aa
White text reads best on this color (13.35:1).
About this color
#51201B is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.075 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.053 away. White text reads best on it, at 13.35:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.57:1 |
| White text | 13.35:1 |
Values
| HEX | #51201B |
| RGB | rgb(81, 32, 27) |
| HSL | hsl(6, 50%, 21%) |
| OKLCH | oklch(31.4% 0.075 28) |
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 #51201B | 13.35:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #51201B | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #51201B text on white | 13.35:1 | AAA | Lc 99.4 | Preferred for body text |
| #51201B text on black | 1.57:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F8CEC7
oklch(88.6% 0.049 29.1)
-
Step 300
300
#F5ABA1
oklch(80.9% 0.089 27.7)
-
Step 400
400
#EC7B6E
oklch(70.8% 0.142 28)
-
Step 500
500
#E25247
oklch(63.1% 0.181 27.8)
-
Step 600
600
#CD2E27
oklch(55.6% 0.196 28.2)
-
Step 700
700
#B11D1A
oklch(49.1% 0.183 28)
-
Step 800
800
#901C18
oklch(42.7% 0.152 27.9)
-
Step 900
900
#74201A
oklch(37.8% 0.119 28.2)
-
Step 950
950 (this color)
#51201B
oklch(31.4% 0.075 28)
#51201B 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) | #2C291A | 0.079 |
| Deuteranopia (no green cones) | #38331A | 0.072 |
| Tritanopia (no blue cones) | #59171F | 0.026 |
| Achromatopsia (no color) | #2F2F2F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51201B
#51201B
oklch(31.4% 0.075 28)
- #003940
#003940
oklch(31.5% 0.054 208.2)
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 #51201B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.053
- Burgundy #610023 ΔE 0.060
- Claret #680018 ΔE 0.060
- Mahogany #4A0100 ΔE 0.064
- Reddy Brown #6E1005 ΔE 0.064
- Dark Brown #341C02 ΔE 0.076
- Deep Brown #410200 ΔE 0.079
- Blood #770001 ΔE 0.084
Use #51201B 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.