#40042E
Closest named color: Dark Plum (#3F012C). oklch(25.3% 0.101 343.8), rgb(64, 4, 46).
Aa
White text reads best on this color (16.47:1).
About this color
#40042E is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.101 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.007 away. White text reads best on it, at 16.47:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.27:1 |
| White text | 16.47:1 |
Values
| HEX | #40042E |
| RGB | rgb(64, 4, 46) |
| HSL | hsl(318, 88%, 13%) |
| OKLCH | oklch(25.3% 0.101 343.8) |
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 #40042E | 16.47:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #40042E | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #40042E text on white | 16.47:1 | AAA | Lc 102.5 | Preferred for body text |
| #40042E text on black | 1.27:1 | 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
#FEF1F8
oklch(97% 0.017 343.6)
-
Step 100
100
#FCE1F0
oklch(93.6% 0.035 343.2)
-
Step 200
200
#FAC8E4
oklch(88.5% 0.067 343.9)
-
Step 300
300
#F7A1D4
oklch(80.9% 0.12 343.7)
-
Step 400
400
#EE68BE
oklch(70.7% 0.19 343.7)
-
Step 500
500
#E42DAD
oklch(63% 0.243 343.8)
-
Step 600
600
#C80095
oklch(55.7% 0.238 343.8)
-
Step 700
700
#A9007D
oklch(49.1% 0.21 344)
-
Step 800
800
#8C0067
oklch(42.8% 0.183 344)
-
Step 900
900
#750356
oklch(37.7% 0.159 343.8)
-
Step 950
950 (this color)
#40042E
oklch(25.3% 0.101 343.8)
#40042E 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) | #0B192F | 0.114 |
| Deuteranopia (no green cones) | #1F232D | 0.098 |
| Tritanopia (no blue cones) | #450418 | 0.045 |
| Achromatopsia (no color) | #1F1F1F | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40042E
#40042E
oklch(25.3% 0.101 343.8)
- #002A1B
#002A1B
oklch(25.2% 0.054 163.9)
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 #40042E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.007
- Aubergine #3D0734 ΔE 0.014
- Eggplant #380835 ΔE 0.024
- Eggplant Purple #430541 ΔE 0.036
- Dark Purple #35063E ΔE 0.042
- Deep Purple #36013F ΔE 0.045
- Deep Violet #490648 ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.061
Use #40042E 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.