#431D54
Closest named color: Plum Purple (#4E0550). oklch(31.3% 0.101 314), rgb(67, 29, 84).
Aa
White text reads best on this color (13.61:1).
About this color
#431D54 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.101 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.043 away. White text reads best on it, at 13.61:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.54:1 |
| White text | 13.61:1 |
Values
| HEX | #431D54 |
| RGB | rgb(67, 29, 84) |
| HSL | hsl(281, 49%, 22%) |
| OKLCH | oklch(31.3% 0.101 314) |
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 #431D54 | 13.61:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #431D54 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #431D54 text on white | 13.61:1 | AAA | Lc 99.8 | Preferred for body text |
| #431D54 text on black | 1.54:1 | 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
#F9F2FD
oklch(97% 0.016 313.6)
-
Step 100
100
#F2E3FB
oklch(93.5% 0.036 313)
-
Step 200
200
#E9CDF9
oklch(88.5% 0.066 313.3)
-
Step 300
300
#DDA9F7
oklch(80.9% 0.12 314.1)
-
Step 400
400
#CB76F3
oklch(70.7% 0.192 313.9)
-
Step 500
500
#BD48EE
oklch(63.1% 0.245 314)
-
Step 600
600
#A914DC
oklch(55.7% 0.267 314.1)
-
Step 700
700
#9000BD
oklch(49.1% 0.243 314.1)
-
Step 800
800
#75099A
oklch(42.6% 0.205 314)
-
Step 900
900
#5F187B
oklch(37.7% 0.161 314)
-
Step 950
950 (this color)
#431D54
oklch(31.3% 0.101 314)
#431D54 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) | #0B2C56 | 0.092 |
| Deuteranopia (no green cones) | #1B2F53 | 0.081 |
| Tritanopia (no blue cones) | #422735 | 0.068 |
| Achromatopsia (no color) | #2E2E2E | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431D54
#431D54
oklch(31.3% 0.101 314)
- #1C3A00
#1C3A00
oklch(31.3% 0.09 134)
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 #431D54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.043
- Deep Violet #490648 ΔE 0.044
- Eggplant Purple #430541 ΔE 0.053
- Grape Purple #5D1451 ΔE 0.057
- Royal Purple #4B006E ΔE 0.062
- Dark Purple #35063E ΔE 0.069
- Aubergine #3D0734 ΔE 0.070
- Eggplant #380835 ΔE 0.073
Use #431D54 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.