#511337
Closest named color: Deep Violet (#490648). oklch(30.5% 0.1 349), rgb(81, 19, 55).
Aa
White text reads best on this color (14.01:1).
About this color
#511337 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.100 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.048 away. White text reads best on it, at 14.01:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.49:1 |
| White text | 14.01:1 |
Values
| HEX | #511337 |
| RGB | rgb(81, 19, 55) |
| HSL | hsl(325, 62%, 20%) |
| OKLCH | oklch(30.5% 0.1 349) |
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 #511337 | 14.01:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #511337 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #511337 text on white | 14.01:1 | AAA | Lc 100.0 | Preferred for body text |
| #511337 text on black | 1.49:1 | 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
#FEF1F7
oklch(97% 0.016 347.6)
-
Step 100
100
#FDE1ED
oklch(93.6% 0.034 350)
-
Step 200
200
#FCC8E0
oklch(88.5% 0.066 349.1)
-
Step 300
300
#FAA0CD
oklch(80.9% 0.12 348.7)
-
Step 400
400
#F266B3
oklch(70.6% 0.19 348.9)
-
Step 500
500
#E929A0
oklch(63.1% 0.242 349)
-
Step 600
600
#CB0088
oklch(55.6% 0.233 349.1)
-
Step 700
700
#AC0073
oklch(49.2% 0.206 349)
-
Step 800
800
#8E005E
oklch(42.7% 0.179 349.1)
-
Step 900
900
#77004F
oklch(37.6% 0.158 348.5)
-
Step 950
950 (this color)
#511337
oklch(30.5% 0.1 349)
#511337 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) | #1C2538 | 0.111 |
| Deuteranopia (no green cones) | #2E3036 | 0.099 |
| Tritanopia (no blue cones) | #571023 | 0.038 |
| Achromatopsia (no color) | #2C2C2C | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511337
#511337
oklch(30.5% 0.1 349)
- #00392A
#00392A
oklch(30.6% 0.061 169.1)
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 #511337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.048
- Burgundy #610023 ΔE 0.049
- Eggplant Purple #430541 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.055
- Aubergine #3D0734 ΔE 0.056
- Dark Plum #3F012C ΔE 0.059
- Eggplant #380835 ΔE 0.067
Use #511337 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.