#431D72
Closest named color: Royal Purple (#4B006E). oklch(33.7% 0.137 299.2), rgb(67, 29, 114).
Aa
White text reads best on this color (12.67:1).
About this color
#431D72 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.137 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.040 away. White text reads best on it, at 12.67:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.65:1 |
| White text | 12.67:1 |
Values
| HEX | #431D72 |
| RGB | rgb(67, 29, 114) |
| HSL | hsl(267, 59%, 28%) |
| OKLCH | oklch(33.7% 0.137 299.2) |
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 #431D72 | 12.67:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #431D72 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #431D72 text on white | 12.67:1 | AAA | Lc 98.0 | Preferred for body text |
| #431D72 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DED1FA
oklch(88.4% 0.057 299.7)
-
Step 300
300
#CAB2FA
oklch(80.9% 0.103 299.4)
-
Step 400
400
#B086F8
oklch(70.7% 0.165 299.1)
-
Step 500
500
#9E62F4
oklch(63.1% 0.21 299.2)
-
Step 600
600
#8A42E3
oklch(55.7% 0.229 299.2)
-
Step 700
700
#7531C5
oklch(49% 0.213 299.1)
-
Step 800
800
#5F2B9F
oklch(42.6% 0.176 299.2)
-
Step 900
900 (this color)
#431D72
oklch(33.7% 0.137 299.2)
-
Step 950
950
#2D194A
oklch(26.9% 0.088 299.2)
#431D72 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) | #003374 | 0.093 |
| Deuteranopia (no green cones) | #003270 | 0.094 |
| Tritanopia (no blue cones) | #383245 | 0.104 |
| Achromatopsia (no color) | #333333 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431D72
#431D72
oklch(33.7% 0.137 299.2)
- #333C00
#333C00
oklch(33.6% 0.079 118.7)
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 #431D72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.040
- Indigo #4B0082 ΔE 0.042
- Plum Purple #4E0550 ΔE 0.073
- Midnight Blue #191970 ΔE 0.081
- Grape Purple #5D1451 ΔE 0.083
- Deep Violet #490648 ΔE 0.083
- Dark Slate Blue #483D8B ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.091
Use #431D72 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.