#4F3F7A
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.097 294.3), rgb(79, 63, 122).
Aa
White text reads best on this color (9.03:1).
About this color
#4F3F7A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.097 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 9.03:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #4F3F7A |
| RGB | rgb(79, 63, 122) |
| HSL | hsl(256, 32%, 36%) |
| OKLCH | oklch(41.3% 0.097 294.3) |
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 #4F3F7A | 9.03:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #4F3F7A | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #4F3F7A text on white | 9.03:1 | AAA | Lc 90.6 | Preferred for body text |
| #4F3F7A text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD6EC
oklch(88.6% 0.03 294.1)
-
Step 300
300
#C2BAE2
oklch(80.9% 0.056 294.3)
-
Step 400
400
#A496D4
oklch(70.8% 0.09 294.3)
-
Step 500
500
#8E7BC8
oklch(63.2% 0.115 294.2)
-
Step 600
600
#7862B5
oklch(55.5% 0.127 294.1)
-
Step 700
700
#65519C
oklch(49% 0.118 293.9)
-
Step 800
800 (this color)
#4F3F7A
oklch(41.3% 0.097 294.3)
-
Step 900
900
#443965
oklch(37.7% 0.074 294)
-
Step 950
950
#28213B
oklch(26.9% 0.048 295.4)
#4F3F7A 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) | #2B497C | 0.056 |
| Deuteranopia (no green cones) | #2E4879 | 0.053 |
| Tritanopia (no blue cones) | #454A56 | 0.079 |
| Achromatopsia (no color) | #494949 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3F7A
#4F3F7A
oklch(41.3% 0.097 294.3)
- #4B5000
#4B5000
oklch(41.3% 0.093 113.8)
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 #4F3F7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.048
- Twilight #4E518B ΔE 0.052
- Dusk #4E5481 ΔE 0.058
- Cobalt #1E488F ΔE 0.071
- Rebecca Purple #663399 ΔE 0.072
- Dusty Grape #545775 ΔE 0.074
- Dusk Blue #26538D ΔE 0.074
Use #4F3F7A 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.