#431D51
Closest named color: Deep Violet (#490648). oklch(31.1% 0.098 316), rgb(67, 29, 81).
Aa
White text reads best on this color (13.69:1).
About this color
#431D51 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.098 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.042 away. White text reads best on it, at 13.69:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.53:1 |
| White text | 13.69:1 |
Values
| HEX | #431D51 |
| RGB | rgb(67, 29, 81) |
| HSL | hsl(284, 47%, 22%) |
| OKLCH | oklch(31.1% 0.098 316) |
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 #431D51 | 13.69:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #431D51 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #431D51 text on white | 13.69:1 | AAA | Lc 99.9 | Preferred for body text |
| #431D51 text on black | 1.53:1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F3E3F9
oklch(93.5% 0.034 316.9)
-
Step 200
200
#EACDF6
oklch(88.5% 0.063 316)
-
Step 300
300
#DEA9F3
oklch(80.8% 0.116 316.2)
-
Step 400
400
#CC77ED
oklch(70.7% 0.185 315.8)
-
Step 500
500
#BE4AE7
oklch(63% 0.237 315.9)
-
Step 600
600
#AA1CD5
oklch(55.6% 0.257 315.9)
-
Step 700
700
#9203B8
oklch(49.1% 0.239 316.2)
-
Step 800
800
#761095
oklch(42.6% 0.198 315.9)
-
Step 900
900
#601A77
oklch(37.7% 0.155 316.2)
-
Step 950
950 (this color)
#431D51
oklch(31.1% 0.098 316)
#431D51 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) | #0F2B53 | 0.090 |
| Deuteranopia (no green cones) | #1D2F50 | 0.080 |
| Tritanopia (no blue cones) | #422634 | 0.063 |
| Achromatopsia (no color) | #2D2D2D | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431D51
#431D51
oklch(31.1% 0.098 316)
- #183A00
#183A00
oklch(31% 0.092 135.9)
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 #431D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.042
- Plum Purple #4E0550 ΔE 0.043
- Eggplant Purple #430541 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.057
- Royal Purple #4B006E ΔE 0.066
- Aubergine #3D0734 ΔE 0.066
- Dark Purple #35063E ΔE 0.066
- Eggplant #380835 ΔE 0.069
Use #431D51 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.