#511727
Closest named color: Burgundy (#610023). oklch(30.4% 0.087 7.2), rgb(81, 23, 39).
Aa
White text reads best on this color (13.98:1).
About this color
#511727 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.087 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.040 away. White text reads best on it, at 13.98:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.50:1 |
| White text | 13.98:1 |
Values
| HEX | #511727 |
| RGB | rgb(81, 23, 39) |
| HSL | hsl(343, 56%, 20%) |
| OKLCH | oklch(30.4% 0.087 7.2) |
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 #511727 | 13.98:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #511727 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #511727 text on white | 13.98:1 | AAA | Lc 100.0 | Preferred for body text |
| #511727 text on black | 1.50:1 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FDE2E6
oklch(93.6% 0.03 7.5)
-
Step 200
200
#FCCAD2
oklch(88.5% 0.058 7.5)
-
Step 300
300
#FAA4B5
oklch(80.8% 0.104 6.7)
-
Step 400
400
#F36E8E
oklch(70.6% 0.165 7.3)
-
Step 500
500
#EA3C73
oklch(63.1% 0.211 7.1)
-
Step 600
600
#D3005C
oklch(55.6% 0.223 7.2)
-
Step 700
700
#B3004D
oklch(49.2% 0.197 7.2)
-
Step 800
800
#94003E
oklch(42.7% 0.171 7.4)
-
Step 900
900
#781035
oklch(37.7% 0.138 6.8)
-
Step 950
950 (this color)
#511727
oklch(30.4% 0.087 7.2)
#511727 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) | #242527 | 0.097 |
| Deuteranopia (no green cones) | #333026 | 0.088 |
| Tritanopia (no blue cones) | #590E1D | 0.023 |
| Achromatopsia (no color) | #2C2C2C | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511727
#511727
oklch(30.4% 0.087 7.2)
- #003733
#003733
oklch(30.3% 0.053 186.9)
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 #511727, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.040
- Claret #680018 ΔE 0.054
- Mahogany #4A0100 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.068
- Dark Plum #3F012C ΔE 0.070
- Aubergine #3D0734 ΔE 0.072
- Reddy Brown #6E1005 ΔE 0.075
- Deep Brown #410200 ΔE 0.076
Use #511727 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.