#511237
Closest named color: Deep Violet (#490648). oklch(30.4% 0.102 348.8), rgb(81, 18, 55).
Aa
White text reads best on this color (14.07:1).
About this color
#511237 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.102 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.047 away. White text reads best on it, at 14.07:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.49:1 |
| White text | 14.07:1 |
Values
| HEX | #511237 |
| RGB | rgb(81, 18, 55) |
| HSL | hsl(325, 64%, 19%) |
| OKLCH | oklch(30.4% 0.102 348.8) |
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 #511237 | 14.07:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #511237 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #511237 text on white | 14.07:1 | AAA | Lc 100.0 | Preferred for body text |
| #511237 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
#FDE1EE
oklch(93.6% 0.035 348)
-
Step 200
200
#FCC8E0
oklch(88.5% 0.066 349.1)
-
Step 300
300
#FBA0CD
oklch(81% 0.121 349.1)
-
Step 400
400
#F365B4
oklch(70.7% 0.193 348.7)
-
Step 500
500
#EA25A1
oklch(63.1% 0.246 348.8)
-
Step 600
600
#CB0089
oklch(55.7% 0.233 348.8)
-
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)
#511237
oklch(30.4% 0.102 348.8)
#511237 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) | #1B2438 | 0.113 |
| Deuteranopia (no green cones) | #2D2F36 | 0.099 |
| Tritanopia (no blue cones) | #570F22 | 0.039 |
| Achromatopsia (no color) | #2B2B2B | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511237
#511237
oklch(30.4% 0.102 348.8)
- #003829
#003829
oklch(30.3% 0.061 168.8)
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 #511237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.047
- Burgundy #610023 ΔE 0.049
- Eggplant Purple #430541 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.054
- Aubergine #3D0734 ΔE 0.055
- Dark Plum #3F012C ΔE 0.058
- Eggplant #380835 ΔE 0.066
Use #511237 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.