#4F3863
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.076 307.8), rgb(79, 56, 99).
Aa
White text reads best on this color (10.10:1).
About this color
#4F3863 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.068 away. White text reads best on it, at 10.10:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.10:1 |
Values
| HEX | #4F3863 |
| RGB | rgb(79, 56, 99) |
| HSL | hsl(272, 28%, 30%) |
| OKLCH | oklch(38.6% 0.076 307.8) |
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 #4F3863 | 10.10:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #4F3863 | 2.07:1 | Fails | Lc 10.6 | Not readable |
| #4F3863 text on white | 10.10:1 | AAA | Lc 93.4 | Preferred for body text |
| #4F3863 text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DFD4EA
oklch(88.5% 0.032 308.1)
-
Step 300
300
#CBB7DE
oklch(80.9% 0.058 308.2)
-
Step 400
400
#B091CD
oklch(70.6% 0.092 307.7)
-
Step 500
500
#9D75C0
oklch(63.1% 0.117 307.9)
-
Step 600
600
#885DAC
oklch(55.7% 0.126 307.9)
-
Step 700
700
#734C94
oklch(49.1% 0.118 307.6)
-
Step 800
800
#5E3F78
oklch(42.8% 0.097 307.9)
-
Step 900
900 (this color)
#4F3863
oklch(38.6% 0.076 307.8)
-
Step 950
950
#2D2039
oklch(27.1% 0.048 307.3)
#4F3863 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) | #2F4165 | 0.055 |
| Deuteranopia (no green cones) | #344262 | 0.051 |
| Tritanopia (no blue cones) | #4C3F48 | 0.057 |
| Achromatopsia (no color) | #424242 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3863
#4F3863
oklch(38.6% 0.076 307.8)
- #384B1B
#384B1B
oklch(38.5% 0.076 127.7)
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 #4F3863, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.078
- Purple Brown #673A3F ΔE 0.079
- Onyx #343A40 ΔE 0.081
- Grape Purple #5D1451 ΔE 0.082
- Charcoal #264653 ΔE 0.083
- Dusk #4E5481 ΔE 0.085
Use #4F3863 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.