#521E37
Closest named color: Burgundy (#610023). oklch(32.2% 0.084 352.8), rgb(82, 30, 55).
Aa
White text reads best on this color (13.12:1).
About this color
#521E37 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.084 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.052 away. White text reads best on it, at 13.12:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.59:1 |
| White text | 13.12:1 |
Values
| HEX | #521E37 |
| RGB | rgb(82, 30, 55) |
| HSL | hsl(331, 46%, 22%) |
| OKLCH | oklch(32.2% 0.084 352.8) |
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 #521E37 | 13.12:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #521E37 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #521E37 text on white | 13.12:1 | AAA | Lc 99.0 | Preferred for body text |
| #521E37 text on black | 1.59:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EB
oklch(93.5% 0.029 352.9)
-
Step 200
200
#F7CBDC
oklch(88.5% 0.054 353.1)
-
Step 300
300
#F3A6C6
oklch(80.9% 0.099 352.9)
-
Step 400
400
#E972A9
oklch(70.6% 0.158 352.9)
-
Step 500
500
#DF4594
oklch(63.1% 0.203 353)
-
Step 600
600
#CA167F
oklch(55.7% 0.22 352.7)
-
Step 700
700
#AD006B
oklch(49% 0.203 352.6)
-
Step 800
800
#8D0B57
oklch(42.6% 0.169 352.8)
-
Step 900
900
#721748
oklch(37.7% 0.133 352.7)
-
Step 950
950 (this color)
#521E37
oklch(32.2% 0.084 352.8)
#521E37 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) | #252B38 | 0.092 |
| Deuteranopia (no green cones) | #333436 | 0.084 |
| Tritanopia (no blue cones) | #581B28 | 0.028 |
| Achromatopsia (no color) | #303030 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521E37
#521E37
oklch(32.2% 0.084 352.8)
- #003D30
#003D30
oklch(32.1% 0.062 173)
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 #521E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.057
- Deep Violet #490648 ΔE 0.067
- Claret #680018 ΔE 0.067
- Plum Purple #4E0550 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.071
- Merlot #730039 ΔE 0.074
- Aubergine #3D0734 ΔE 0.075
Use #521E37 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.