#511F28
Closest named color: Burgundy (#610023). oklch(31.6% 0.075 11.3), rgb(81, 31, 40).
Aa
White text reads best on this color (13.32:1).
About this color
#511F28 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.075 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.051 away. White text reads best on it, at 13.32:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.57:1 |
| White text | 13.32:1 |
Values
| HEX | #511F28 |
| RGB | rgb(81, 31, 40) |
| HSL | hsl(349, 45%, 22%) |
| OKLCH | oklch(31.6% 0.075 11.3) |
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 #511F28 | 13.32:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #511F28 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #511F28 text on white | 13.32:1 | AAA | Lc 99.3 | Preferred for body text |
| #511F28 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F8CCD1
oklch(88.4% 0.05 10.5)
-
Step 300
300
#F4A9B2
oklch(80.9% 0.089 11.3)
-
Step 400
400
#EB778A
oklch(70.7% 0.144 11.1)
-
Step 500
500
#E04E6D
oklch(63% 0.182 11.3)
-
Step 600
600
#CC2755
oklch(55.6% 0.199 11.4)
-
Step 700
700
#B01645
oklch(49.1% 0.185 11.6)
-
Step 800
800
#8F1839
oklch(42.8% 0.153 11.5)
-
Step 900
900
#731D31
oklch(37.7% 0.119 11.5)
-
Step 950
950 (this color)
#511F28
oklch(31.6% 0.075 11.3)
#511F28 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) | #292928 | 0.083 |
| Deuteranopia (no green cones) | #363327 | 0.076 |
| Tritanopia (no blue cones) | #581922 | 0.018 |
| Achromatopsia (no color) | #2F2F2F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511F28
#511F28
oklch(31.6% 0.075 11.3)
- #003A39
#003A39
oklch(31.5% 0.054 192.9)
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 #511F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.051
- Claret #680018 ΔE 0.059
- Chocolate Brown #411900 ΔE 0.067
- Reddy Brown #6E1005 ΔE 0.071
- Mahogany #4A0100 ΔE 0.071
- Grape Purple #5D1451 ΔE 0.083
- Aubergine #3D0734 ΔE 0.085
- Merlot #730039 ΔE 0.085
Use #511F28 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.