#431D68
Closest named color: Royal Purple (#4B006E). oklch(32.8% 0.125 303.3), rgb(67, 29, 104).
Aa
White text reads best on this color (13.00:1).
About this color
#431D68 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.125 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.041 away. White text reads best on it, at 13.00:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.61:1 |
| White text | 13.00:1 |
Values
| HEX | #431D68 |
| RGB | rgb(67, 29, 104) |
| HSL | hsl(270, 56%, 26%) |
| OKLCH | oklch(32.8% 0.125 303.3) |
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 #431D68 | 13.00:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #431D68 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #431D68 text on white | 13.00:1 | AAA | Lc 98.7 | Preferred for body text |
| #431D68 text on black | 1.61:1 | 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 900.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#E0D1F6
oklch(88.4% 0.053 303.7)
-
Step 300
300
#CDB2F3
oklch(80.9% 0.094 303.4)
-
Step 400
400
#B487ED
oklch(70.7% 0.151 303.1)
-
Step 500
500
#A364E7
oklch(63.1% 0.194 303.5)
-
Step 600
600
#8E47D5
oklch(55.7% 0.209 303.1)
-
Step 700
700
#7937B8
oklch(49.1% 0.194 303.3)
-
Step 800
800
#622F95
oklch(42.7% 0.16 303.1)
-
Step 900
900 (this color)
#431D68
oklch(32.8% 0.125 303.3)
-
Step 950
950
#2F1A46
oklch(27% 0.081 303.5)
#431D68 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) | #00306A | 0.095 |
| Deuteranopia (no green cones) | #003166 | 0.097 |
| Tritanopia (no blue cones) | #3C2E40 | 0.091 |
| Achromatopsia (no color) | #313131 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431D68
#431D68
oklch(32.8% 0.125 303.3)
- #2D3B00
#2D3B00
oklch(32.8% 0.081 123.2)
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 #431D68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.041
- Indigo #4B0082 ΔE 0.055
- Plum Purple #4E0550 ΔE 0.059
- Deep Violet #490648 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.079
- Midnight Blue #191970 ΔE 0.083
- Dark Purple #35063E ΔE 0.092
Use #431D68 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.