#4F3975
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.1 298.7), rgb(79, 57, 117).
Aa
White text reads best on this color (9.65:1).
About this color
#4F3975 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.100 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.039 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #4F3975 |
| RGB | rgb(79, 57, 117) |
| HSL | hsl(262, 34%, 34%) |
| OKLCH | oklch(39.8% 0.1 298.7) |
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 #4F3975 | 9.65:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #4F3975 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #4F3975 text on white | 9.65:1 | AAA | Lc 92.2 | Preferred for body text |
| #4F3975 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C7B7EB
oklch(81% 0.074 298.8)
-
Step 400
400
#AB8FE1
oklch(70.7% 0.12 299)
-
Step 500
500
#9771D8
oklch(63.1% 0.153 299)
-
Step 600
600
#8257C6
oklch(55.6% 0.167 298.7)
-
Step 700
700
#6E47AB
oklch(49.2% 0.154 298.6)
-
Step 800
800
#593B8A
oklch(42.7% 0.127 298.4)
-
Step 900
900 (this color)
#4F3975
oklch(39.8% 0.1 298.7)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#4F3975 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) | #254577 | 0.066 |
| Deuteranopia (no green cones) | #2A4474 | 0.061 |
| Tritanopia (no blue cones) | #474451 | 0.078 |
| Achromatopsia (no color) | #454545 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3975
#4F3975
oklch(39.8% 0.1 298.7)
- #424E00
#424E00
oklch(39.9% 0.094 119.3)
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 #4F3975, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.039
- Blueberry #464196 ΔE 0.058
- Twilight #4E518B ΔE 0.069
- Rebecca Purple #663399 ΔE 0.074
- Dusk #4E5481 ΔE 0.075
- Cobalt #1E488F ΔE 0.080
- Twilight Blue #0A437A ΔE 0.084
- Dark Grey Blue #29465B ΔE 0.086
Use #4F3975 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.