#424180
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.103 281.5), rgb(66, 65, 128).
Aa
White text reads best on this color (9.13:1).
About this color
#424180 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.103 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.024 away. White text reads best on it, at 9.13:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.13:1 |
Values
| HEX | #424180 |
| RGB | rgb(66, 65, 128) |
| HSL | hsl(241, 33%, 38%) |
| OKLCH | oklch(40.9% 0.103 281.5) |
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 #424180 | 9.13:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #424180 | 2.29:1 | Fails | Lc 13.1 | Not readable |
| #424180 text on white | 9.13:1 | AAA | Lc 90.9 | Preferred for body text |
| #424180 text on black | 2.29:1 | Fails | Lc -11.5 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#B9BDE7
oklch(80.9% 0.059 280.7)
-
Step 400
400
#9699DC
oklch(70.6% 0.098 281.6)
-
Step 500
500
#7E7FD2
oklch(63.1% 0.123 281.7)
-
Step 600
600
#6867BF
oklch(55.7% 0.134 281.7)
-
Step 700
700
#5655A5
oklch(49.1% 0.125 281.3)
-
Step 800
800 (this color)
#424180
oklch(40.9% 0.103 281.5)
-
Step 900
900
#3B3B6B
oklch(37.7% 0.081 281.8)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#424180 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) | #264A82 | 0.040 |
| Deuteranopia (no green cones) | #22467F | 0.041 |
| Tritanopia (no blue cones) | #2D4E5A | 0.089 |
| Achromatopsia (no color) | #484848 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424180
#424180
oklch(40.9% 0.103 281.5)
- #544B00
#544B00
oklch(40.9% 0.085 101.5)
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 #424180, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.037
- Cobalt #1E488F ΔE 0.049
- Twilight #4E518B ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
- Light Navy #155084 ΔE 0.058
- Dusk #4E5481 ΔE 0.060
- Twilight Blue #0A437A ΔE 0.060
Use #424180 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.