#41398D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.134 282.8), rgb(65, 57, 141).
Aa
White text reads best on this color (9.56:1).
About this color
#41398D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.134 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.017 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #41398D |
| RGB | rgb(65, 57, 141) |
| HSL | hsl(246, 42%, 39%) |
| OKLCH | oklch(40.2% 0.134 282.8) |
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 #41398D | 9.56:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #41398D | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #41398D text on white | 9.56:1 | AAA | Lc 91.8 | Preferred for body text |
| #41398D text on black | 2.19:1 | Fails | Lc -10.6 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F6
oklch(88.5% 0.044 282.6)
-
Step 300
300
#B9BBF3
oklch(81% 0.079 282.9)
-
Step 400
400
#9695EC
oklch(70.6% 0.126 283.2)
-
Step 500
500
#7E79E6
oklch(63.2% 0.16 282.9)
-
Step 600
600
#695FD4
oklch(55.6% 0.174 283)
-
Step 700
700
#574DB8
oklch(49% 0.163 282.8)
-
Step 800
800 (this color)
#41398D
oklch(40.2% 0.134 282.8)
-
Step 900
900
#3B3777
oklch(37.6% 0.106 282.9)
-
Step 950
950
#222145
oklch(26.9% 0.066 282.3)
#41398D 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) | #004890 | 0.065 |
| Deuteranopia (no green cones) | #00428B | 0.063 |
| Tritanopia (no blue cones) | #224D5D | 0.115 |
| Achromatopsia (no color) | #454545 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41398D
#41398D
oklch(40.2% 0.134 282.8)
- #514A00
#514A00
oklch(40.3% 0.085 103.3)
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 #41398D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.017
- Blueberry #464196 ΔE 0.026
- Cobalt #1E488F ΔE 0.053
- Sapphire #2138AB ΔE 0.065
- Rebecca Purple #663399 ΔE 0.070
- Twilight #4E518B ΔE 0.071
- Twilight Blue #0A437A ΔE 0.071
- Dusk Blue #26538D ΔE 0.073
Use #41398D 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.