#4F3F76
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.091 295.5), rgb(79, 63, 118).
Aa
White text reads best on this color (9.11:1).
About this color
#4F3F76 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.091 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 0.039 away. White text reads best on it, at 9.11:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #4F3F76 |
| RGB | rgb(79, 63, 118) |
| HSL | hsl(257, 30%, 35%) |
| OKLCH | oklch(41.1% 0.091 295.5) |
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 #4F3F76 | 9.11:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #4F3F76 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #4F3F76 text on white | 9.11:1 | AAA | Lc 90.8 | Preferred for body text |
| #4F3F76 text on black | 2.30:1 | 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
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C3BAE0
oklch(80.9% 0.054 296)
-
Step 400
400
#A496D0
oklch(70.6% 0.085 295.2)
-
Step 500
500
#8F7BC4
oklch(63.1% 0.109 295.7)
-
Step 600
600
#7963B0
oklch(55.5% 0.118 295.5)
-
Step 700
700
#665298
oklch(49.1% 0.11 295.2)
-
Step 800
800 (this color)
#4F3F76
oklch(41.1% 0.091 295.5)
-
Step 900
900
#453963
oklch(37.7% 0.071 295.9)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#4F3F76 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) | #2E4978 | 0.053 |
| Deuteranopia (no green cones) | #314875 | 0.050 |
| Tritanopia (no blue cones) | #464955 | 0.072 |
| Achromatopsia (no color) | #484848 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3F76
#4F3F76
oklch(41.1% 0.091 295.5)
- #495005
#495005
oklch(41.1% 0.091 115.5)
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 #4F3F76, 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 0.055
- Twilight #4E518B ΔE 0.055
- Dusk #4E5481 ΔE 0.059
- Dusty Grape #545775 ΔE 0.072
- Cobalt #1E488F ΔE 0.074
- Dusk Blue #26538D ΔE 0.076
- Rebecca Purple #663399 ΔE 0.077
Use #4F3F76 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.