#4F3A7D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.11 295.6), rgb(79, 58, 125).
Aa
White text reads best on this color (9.40:1).
About this color
#4F3A7D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 9.40:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #4F3A7D |
| RGB | rgb(79, 58, 125) |
| HSL | hsl(259, 37%, 36%) |
| OKLCH | oklch(40.6% 0.11 295.6) |
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 #4F3A7D | 9.40:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #4F3A7D | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #4F3A7D text on white | 9.40:1 | AAA | Lc 91.5 | Preferred for body text |
| #4F3A7D text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C3B9E6
oklch(80.9% 0.064 295.1)
-
Step 400
400
#A693DA
oklch(70.7% 0.104 295.9)
-
Step 500
500
#9077CF
oklch(63% 0.131 295.5)
-
Step 600
600
#7B5FBC
oklch(55.6% 0.141 295.3)
-
Step 700
700
#684DA2
oklch(49% 0.133 295.8)
-
Step 800
800 (this color)
#4F3A7D
oklch(40.6% 0.11 295.6)
-
Step 900
900
#463769
oklch(37.7% 0.084 295.9)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#4F3A7D 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) | #20477F | 0.070 |
| Deuteranopia (no green cones) | #25457B | 0.065 |
| Tritanopia (no blue cones) | #444755 | 0.088 |
| Achromatopsia (no color) | #464646 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3A7D
#4F3A7D
oklch(40.6% 0.11 295.6)
- #474F00
#474F00
oklch(40.6% 0.093 116.2)
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 #4F3A7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.063
- Rebecca Purple #663399 ΔE 0.064
- Dusk #4E5481 ΔE 0.072
- Cobalt #1E488F ΔE 0.074
- Dusk Blue #26538D ΔE 0.082
- Twilight Blue #0A437A ΔE 0.083
Use #4F3A7D 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.