#51241B
Closest named color: Chocolate Brown (#411900). oklch(32.1% 0.07 32.7), rgb(81, 36, 27).
Aa
White text reads best on this color (12.97:1).
About this color
#51241B is a dark, muted red. In OKLCH its lightness is 32%, its chroma 0.070 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.056 away. White text reads best on it, at 12.97:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #51241B |
| RGB | rgb(81, 36, 27) |
| HSL | hsl(10, 50%, 21%) |
| OKLCH | oklch(32.1% 0.07 32.7) |
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 #51241B | 12.97:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #51241B | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #51241B text on white | 12.97:1 | AAA | Lc 98.9 | Preferred for body text |
| #51241B text on black | 1.61:1 | 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
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F6CFC6
oklch(88.5% 0.046 33.2)
-
Step 300
300
#F1AD9F
oklch(80.8% 0.083 31.9)
-
Step 400
400
#E77F6A
oklch(70.7% 0.133 32.5)
-
Step 500
500
#DC5A41
oklch(63.1% 0.168 32.8)
-
Step 600
600
#C8391E
oklch(55.6% 0.184 32.7)
-
Step 700
700
#AC2A10
oklch(49.1% 0.17 32.8)
-
Step 800
800
#8C2512
oklch(42.7% 0.142 32.6)
-
Step 900
900
#702517
oklch(37.7% 0.109 32.7)
-
Step 950
950 (this color)
#51241B
oklch(32.1% 0.07 32.7)
#51241B 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) | #2F2B1A | 0.071 |
| Deuteranopia (no green cones) | #3A351A | 0.066 |
| Tritanopia (no blue cones) | #591C22 | 0.029 |
| Achromatopsia (no color) | #313131 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51241B
#51241B
oklch(32.1% 0.07 32.7)
- #003A44
#003A44
oklch(32% 0.056 213.4)
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 #51241B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.056
- Reddy Brown #6E1005 ΔE 0.065
- Claret #680018 ΔE 0.066
- Burgundy #610023 ΔE 0.068
- Mahogany #4A0100 ΔE 0.072
- Dark Brown #341C02 ΔE 0.077
- Chestnut #742802 ΔE 0.080
- Onyx #343A40 ΔE 0.084
Use #51241B 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.