#431B40
Closest named color: Eggplant Purple (#430541). oklch(29.7% 0.082 330.3), rgb(67, 27, 64).
Aa
White text reads best on this color (14.29:1).
About this color
#431B40 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.082 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.042 away. White text reads best on it, at 14.29:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.46:1 |
| White text | 14.29:1 |
Values
| HEX | #431B40 |
| RGB | rgb(67, 27, 64) |
| HSL | hsl(305, 43%, 18%) |
| OKLCH | oklch(29.7% 0.082 330.3) |
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 #431B40 | 14.29:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #431B40 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #431B40 text on white | 14.29:1 | AAA | Lc 100.7 | Preferred for body text |
| #431B40 text on black | 1.46:1 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E3F3
oklch(93.5% 0.029 329.3)
-
Step 200
200
#EFCDEA
oklch(88.6% 0.054 330.9)
-
Step 300
300
#E5AADE
oklch(80.9% 0.097 330.5)
-
Step 400
400
#D679CE
oklch(70.7% 0.157 330.3)
-
Step 500
500
#C952C1
oklch(63.2% 0.199 330.3)
-
Step 600
600
#B42EAD
oklch(55.6% 0.217 330.3)
-
Step 700
700
#9A1E95
oklch(49.1% 0.201 330)
-
Step 800
800
#7D1D78
oklch(42.6% 0.166 330.3)
-
Step 900
900
#652061
oklch(37.7% 0.129 330.2)
-
Step 950
950 (this color)
#431B40
oklch(29.7% 0.082 330.3)
#431B40 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) | #192741 | 0.083 |
| Deuteranopia (no green cones) | #252C3F | 0.073 |
| Tritanopia (no blue cones) | #461F2A | 0.046 |
| Achromatopsia (no color) | #2A2A2A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431B40
#431B40
oklch(29.7% 0.082 330.3)
- #003815
#003815
oklch(29.8% 0.082 150)
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 #431B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.042
- Deep Violet #490648 ΔE 0.042
- Aubergine #3D0734 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.052
- Eggplant #380835 ΔE 0.052
- Dark Purple #35063E ΔE 0.059
- Dark Plum #3F012C ΔE 0.059
- Grape Purple #5D1451 ΔE 0.064
Use #431B40 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.