#51231C
Closest named color: Chocolate Brown (#411900). oklch(32% 0.071 30.3), rgb(81, 35, 28).
Aa
White text reads best on this color (13.06:1).
About this color
#51231C is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.071 and its hue 30°. 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 13.06:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.60:1 |
| White text | 13.06:1 |
Values
| HEX | #51231C |
| RGB | rgb(81, 35, 28) |
| HSL | hsl(8, 49%, 21%) |
| OKLCH | oklch(32% 0.071 30.3) |
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 #51231C | 13.06:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #51231C | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #51231C text on white | 13.06:1 | AAA | Lc 99.0 | Preferred for body text |
| #51231C text on black | 1.60:1 | 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
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F6CEC7
oklch(88.4% 0.046 29.7)
-
Step 300
300
#F2ADA0
oklch(80.9% 0.084 30.9)
-
Step 400
400
#E87E6D
oklch(70.7% 0.134 30.3)
-
Step 500
500
#DE5846
oklch(63.2% 0.171 30.2)
-
Step 600
600
#C93626
oklch(55.5% 0.186 30.1)
-
Step 700
700
#AD2718
oklch(49.1% 0.173 30.4)
-
Step 800
800
#8D2317
oklch(42.7% 0.144 30.3)
-
Step 900
900
#71241A
oklch(37.7% 0.111 30.3)
-
Step 950
950 (this color)
#51231C
oklch(32% 0.071 30.3)
#51231C 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) | #2E2B1B | 0.073 |
| Deuteranopia (no green cones) | #3A341B | 0.066 |
| Tritanopia (no blue cones) | #591B21 | 0.027 |
| Achromatopsia (no color) | #313131 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51231C
#51231C
oklch(32% 0.071 30.3)
- #003A42
#003A42
oklch(31.9% 0.055 209.8)
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 #51231C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.056
- Claret #680018 ΔE 0.064
- Reddy Brown #6E1005 ΔE 0.065
- Burgundy #610023 ΔE 0.065
- Mahogany #4A0100 ΔE 0.071
- Dark Brown #341C02 ΔE 0.077
- Chestnut #742802 ΔE 0.082
- Blood #770001 ΔE 0.085
Use #51231C 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.