#4F3665
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.083 307.4), rgb(79, 54, 101).
Aa
White text reads best on this color (10.25:1).
About this color
#4F3665 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.083 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 10.25:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #4F3665 |
| RGB | rgb(79, 54, 101) |
| HSL | hsl(272, 30%, 30%) |
| OKLCH | oklch(38.3% 0.083 307.4) |
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 #4F3665 | 10.25:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4F3665 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #4F3665 text on white | 10.25:1 | AAA | Lc 93.7 | Preferred for body text |
| #4F3665 text on black | 2.04:1 | Fails | Lc -8.9 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DFD4EB
oklch(88.6% 0.033 307.1)
-
Step 300
300
#CBB7E0
oklch(81% 0.061 307.1)
-
Step 400
400
#B190D1
oklch(70.7% 0.099 307.2)
-
Step 500
500
#9E73C5
oklch(63.1% 0.127 307.3)
-
Step 600
600
#895AB1
oklch(55.6% 0.138 307.4)
-
Step 700
700
#744A98
oklch(49.1% 0.127 307.2)
-
Step 800
800
#5F3D7B
oklch(42.7% 0.105 307.9)
-
Step 900
900 (this color)
#4F3665
oklch(38.3% 0.083 307.4)
-
Step 950
950
#2D1F3A
oklch(27% 0.052 307.1)
#4F3665 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) | #2B4067 | 0.061 |
| Deuteranopia (no green cones) | #314164 | 0.056 |
| Tritanopia (no blue cones) | #4C3D48 | 0.060 |
| Achromatopsia (no color) | #414141 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3665
#4F3665
oklch(38.3% 0.083 307.4)
- #374B15
#374B15
oklch(38.3% 0.082 127.3)
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 #4F3665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.077
- Grape Purple #5D1451 ΔE 0.078
- Blueberry #464196 ΔE 0.084
- Purple Brown #673A3F ΔE 0.084
- Charcoal Grey #3C4142 ΔE 0.084
- Onyx #343A40 ΔE 0.085
- Prussian Blue #1D3557 ΔE 0.085
Use #4F3665 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.