#40173D
Closest named color: Eggplant Purple (#430541). oklch(28.4% 0.084 330.4), rgb(64, 23, 61).
Aa
White text reads best on this color (14.91:1).
About this color
#40173D is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.084 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 0.034 away. White text reads best on it, at 14.91:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.40:1 |
| White text | 14.91:1 |
Values
| HEX | #40173D |
| RGB | rgb(64, 23, 61) |
| HSL | hsl(304, 47%, 17%) |
| OKLCH | oklch(28.4% 0.084 330.4) |
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 #40173D | 14.91:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #40173D | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #40173D text on white | 14.91:1 | AAA | Lc 101.4 | Preferred for body text |
| #40173D text on black | 1.40:1 | 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
#F6E3F3
oklch(93.6% 0.029 330.9)
-
Step 200
200
#EFCCEB
oklch(88.4% 0.057 329.8)
-
Step 300
300
#E6A9DF
oklch(80.9% 0.1 330.4)
-
Step 400
400
#D778CF
oklch(70.7% 0.16 330.2)
-
Step 500
500
#CA4FC2
oklch(63.1% 0.204 330.3)
-
Step 600
600
#B52AAE
oklch(55.5% 0.222 330.3)
-
Step 700
700
#9C1996
oklch(49.1% 0.207 330.4)
-
Step 800
800
#7F1A79
oklch(42.7% 0.171 330.8)
-
Step 900
900
#661E62
oklch(37.7% 0.133 330.2)
-
Step 950
950 (this color)
#40173D
oklch(28.4% 0.084 330.4)
#40173D 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) | #15243E | 0.086 |
| Deuteranopia (no green cones) | #21293C | 0.076 |
| Tritanopia (no blue cones) | #431B27 | 0.046 |
| Achromatopsia (no color) | #272727 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40173D
#40173D
oklch(28.4% 0.084 330.4)
- #003414
#003414
oklch(28.4% 0.077 150.6)
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 #40173D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.034
- Aubergine #3D0734 ΔE 0.035
- Deep Violet #490648 ΔE 0.039
- Eggplant #380835 ΔE 0.040
- Dark Purple #35063E ΔE 0.047
- Dark Plum #3F012C ΔE 0.048
- Plum Purple #4E0550 ΔE 0.053
- Deep Purple #36013F ΔE 0.053
Use #40173D 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.