#431739
Closest named color: Aubergine (#3D0734). oklch(28.7% 0.083 337.3), rgb(67, 23, 57).
Aa
White text reads best on this color (14.78:1).
About this color
#431739 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.083 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.037 away. White text reads best on it, at 14.78:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.42:1 |
| White text | 14.78:1 |
Values
| HEX | #431739 |
| RGB | rgb(67, 23, 57) |
| HSL | hsl(314, 49%, 18%) |
| OKLCH | oklch(28.7% 0.083 337.3) |
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 #431739 | 14.78:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #431739 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #431739 text on white | 14.78:1 | AAA | Lc 101.2 | Preferred for body text |
| #431739 text on black | 1.42:1 | 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
#FCF2F9
oklch(97.1% 0.014 336.1)
-
Step 100
100
#F7E3F1
oklch(93.6% 0.028 336.4)
-
Step 200
200
#F2CCE6
oklch(88.5% 0.054 337.7)
-
Step 300
300
#EAA8D7
oklch(80.8% 0.098 337.5)
-
Step 400
400
#DD77C3
oklch(70.8% 0.156 337.5)
-
Step 500
500
#D14DB4
oklch(63.1% 0.201 337.4)
-
Step 600
600
#BC27A0
oklch(55.7% 0.218 337.3)
-
Step 700
700
#A11689
oklch(49.1% 0.203 337)
-
Step 800
800
#83186F
oklch(42.7% 0.168 337.2)
-
Step 900
900
#6A1D5A
oklch(37.8% 0.131 337.3)
-
Step 950
950 (this color)
#431739
oklch(28.7% 0.083 337.3)
#431739 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) | #18243A | 0.088 |
| Deuteranopia (no green cones) | #252A38 | 0.077 |
| Tritanopia (no blue cones) | #471925 | 0.040 |
| Achromatopsia (no color) | #282828 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431739
#431739
oklch(28.7% 0.083 337.3)
- #00341D
#00341D
oklch(28.6% 0.067 157.9)
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 #431739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.038
- Deep Violet #490648 ΔE 0.043
- Eggplant #380835 ΔE 0.044
- Dark Plum #3F012C ΔE 0.046
- Dark Purple #35063E ΔE 0.054
- Plum Purple #4E0550 ΔE 0.056
- Deep Purple #36013F ΔE 0.061
Use #431739 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.