#431F6E
Closest named color: Royal Purple (#4B006E). oklch(33.6% 0.13 300.3), rgb(67, 31, 110).
Aa
White text reads best on this color (12.65:1).
About this color
#431F6E is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.130 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.043 away. White text reads best on it, at 12.65:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.65:1 |
| White text | 12.65:1 |
Values
| HEX | #431F6E |
| RGB | rgb(67, 31, 110) |
| HSL | hsl(267, 56%, 28%) |
| OKLCH | oklch(33.6% 0.13 300.3) |
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 #431F6E | 12.65:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #431F6E | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #431F6E text on white | 12.65:1 | AAA | Lc 98.1 | Preferred for body text |
| #431F6E text on black | 1.65:1 | 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
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DED2F8
oklch(88.5% 0.053 299.7)
-
Step 300
300
#CAB2F6
oklch(80.8% 0.097 300.4)
-
Step 400
400
#B187F2
oklch(70.7% 0.156 300.6)
-
Step 500
500
#9F64ED
oklch(63.1% 0.2 300.7)
-
Step 600
600
#8A46DC
oklch(55.6% 0.217 300.1)
-
Step 700
700
#7636BE
oklch(49.1% 0.201 300.6)
-
Step 800
800
#602E9A
oklch(42.7% 0.167 300.7)
-
Step 900
900 (this color)
#431F6E
oklch(33.6% 0.13 300.3)
-
Step 950
950
#2D1A48
oklch(26.9% 0.083 299.9)
#431F6E 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) | #003370 | 0.092 |
| Deuteranopia (no green cones) | #00326C | 0.093 |
| Tritanopia (no blue cones) | #393244 | 0.098 |
| Achromatopsia (no color) | #333333 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431F6E
#431F6E
oklch(33.6% 0.13 300.3)
- #323C00
#323C00
oklch(33.5% 0.079 119.6)
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 #431F6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.043
- Indigo #4B0082 ΔE 0.050
- Plum Purple #4E0550 ΔE 0.069
- Grape Purple #5D1451 ΔE 0.078
- Deep Violet #490648 ΔE 0.079
- Midnight Blue #191970 ΔE 0.082
- Dark Slate Blue #483D8B ΔE 0.085
- Eggplant Purple #430541 ΔE 0.090
Use #431F6E 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.