#511F2B
Closest named color: Burgundy (#610023). oklch(31.7% 0.076 7.5), rgb(81, 31, 43).
Aa
White text reads best on this color (13.28:1).
About this color
#511F2B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.076 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.050 away. White text reads best on it, at 13.28:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.58:1 |
| White text | 13.28:1 |
Values
| HEX | #511F2B |
| RGB | rgb(81, 31, 43) |
| HSL | hsl(346, 45%, 22%) |
| OKLCH | oklch(31.7% 0.076 7.5) |
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 #511F2B | 13.28:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #511F2B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #511F2B text on white | 13.28:1 | AAA | Lc 99.3 | Preferred for body text |
| #511F2B text on black | 1.58:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F8CCD3
oklch(88.5% 0.05 7.4)
-
Step 300
300
#F4A9B6
oklch(81% 0.09 7.8)
-
Step 400
400
#EA7790
oklch(70.7% 0.144 7.7)
-
Step 500
500
#E04D75
oklch(63.1% 0.184 7.6)
-
Step 600
600
#CB265E
oklch(55.6% 0.2 7.4)
-
Step 700
700
#AF154D
oklch(49.1% 0.185 7.7)
-
Step 800
800
#8E1740
oklch(42.7% 0.154 7.1)
-
Step 900
900
#721D36
oklch(37.7% 0.119 7.4)
-
Step 950
950 (this color)
#511F2B
oklch(31.7% 0.076 7.5)
#511F2B 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) | #29292B | 0.083 |
| Deuteranopia (no green cones) | #36332A | 0.076 |
| Tritanopia (no blue cones) | #581923 | 0.020 |
| Achromatopsia (no color) | #303030 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511F2B
#511F2B
oklch(31.7% 0.076 7.5)
- #003B37
#003B37
oklch(31.7% 0.055 187.4)
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 #511F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.050
- Claret #680018 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.073
- Mahogany #4A0100 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.078
- Aubergine #3D0734 ΔE 0.082
- Merlot #730039 ΔE 0.083
Use #511F2B 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.