#41427B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.094 280.6), rgb(65, 66, 123).
Aa
White text reads best on this color (9.17:1).
About this color
#41427B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.094 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 9.17:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.17:1 |
Values
| HEX | #41427B |
| RGB | rgb(65, 66, 123) |
| HSL | hsl(239, 31%, 37%) |
| OKLCH | oklch(40.7% 0.094 280.6) |
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 #41427B | 9.17:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #41427B | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #41427B text on white | 9.17:1 | AAA | Lc 91.0 | Preferred for body text |
| #41427B text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#B9BDE4
oklch(80.8% 0.055 280.5)
-
Step 400
400
#969BD7
oklch(70.8% 0.088 280.2)
-
Step 500
500
#7D81CC
oklch(63.1% 0.112 280.3)
-
Step 600
600
#6769B9
oklch(55.6% 0.122 280.6)
-
Step 700
700
#56579F
oklch(49.1% 0.113 280.8)
-
Step 800
800 (this color)
#41427B
oklch(40.7% 0.094 280.6)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#22243D
oklch(27.1% 0.046 279.3)
#41427B 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) | #2C4A7D | 0.033 |
| Deuteranopia (no green cones) | #28467A | 0.034 |
| Tritanopia (no blue cones) | #2D4E58 | 0.083 |
| Achromatopsia (no color) | #484848 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41427B
#41427B
oklch(40.7% 0.094 280.6)
- #544A00
#544A00
oklch(40.7% 0.085 100.5)
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 #41427B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.046
- Cobalt #1E488F ΔE 0.051
- Twilight #4E518B ΔE 0.053
- Light Navy #155084 ΔE 0.056
- Dusk Blue #26538D ΔE 0.057
- Twilight Blue #0A437A ΔE 0.057
- Dusk #4E5481 ΔE 0.057
Use #41427B 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.