#42416E
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.075 283.5), rgb(66, 65, 110).
Aa
White text reads best on this color (9.48:1).
About this color
#42416E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 9.48:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #42416E |
| RGB | rgb(66, 65, 110) |
| HSL | hsl(241, 26%, 34%) |
| OKLCH | oklch(39.8% 0.075 283.5) |
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 #42416E | 9.48:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #42416E | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #42416E text on white | 9.48:1 | AAA | Lc 91.9 | Preferred for body text |
| #42416E text on black | 2.21:1 | Fails | Lc -10.5 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BBBDE5
oklch(81% 0.056 282.8)
-
Step 400
400
#9999D7
oklch(70.6% 0.09 283.9)
-
Step 500
500
#817FCD
oklch(63.1% 0.116 283.7)
-
Step 600
600
#6B67B9
oklch(55.5% 0.125 283.8)
-
Step 700
700
#5956A0
oklch(49.2% 0.116 283.1)
-
Step 800
800
#494681
oklch(42.6% 0.096 283.9)
-
Step 900
900 (this color)
#42416E
oklch(39.8% 0.075 283.5)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#42416E 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) | #324770 | 0.027 |
| Deuteranopia (no green cones) | #30446D | 0.027 |
| Tritanopia (no blue cones) | #364A52 | 0.065 |
| Achromatopsia (no color) | #464646 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42416E
#42416E
oklch(39.8% 0.075 283.5)
- #4E490F
#4E490F
oklch(39.9% 0.076 104.3)
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 #42416E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.053
- Twilight Blue #0A437A ΔE 0.061
- Dusk #4E5481 ΔE 0.063
- Light Navy #155084 ΔE 0.064
- Twilight #4E518B ΔE 0.065
- Cobalt #1E488F ΔE 0.067
- Charcoal #264653 ΔE 0.067
Use #42416E 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.