#4F3664
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.081 308), rgb(79, 54, 100).
Aa
White text reads best on this color (10.27:1).
About this color
#4F3664 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.081 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 0.066 away. White text reads best on it, at 10.27:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.27:1 |
Values
| HEX | #4F3664 |
| RGB | rgb(79, 54, 100) |
| HSL | hsl(273, 30%, 30%) |
| OKLCH | oklch(38.2% 0.081 308) |
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 #4F3664 | 10.27:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #4F3664 | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #4F3664 text on white | 10.27:1 | AAA | Lc 93.7 | Preferred for body text |
| #4F3664 text on black | 2.04:1 | Fails | Lc -8.8 | 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
#CBB7DF
oklch(80.9% 0.059 307.6)
-
Step 400
400
#B190D0
oklch(70.7% 0.098 307.6)
-
Step 500
500
#9E73C3
oklch(63% 0.125 307.9)
-
Step 600
600
#895BAF
oklch(55.6% 0.134 307.9)
-
Step 700
700
#754A97
oklch(49.2% 0.126 308.2)
-
Step 800
800
#5F3D7A
oklch(42.7% 0.104 308.3)
-
Step 900
900 (this color)
#4F3664
oklch(38.2% 0.081 308)
-
Step 950
950
#2D1F3A
oklch(27% 0.052 307.1)
#4F3664 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) | #2B4066 | 0.061 |
| Deuteranopia (no green cones) | #324163 | 0.055 |
| Tritanopia (no blue cones) | #4C3D48 | 0.058 |
| Achromatopsia (no color) | #414141 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3664
#4F3664
oklch(38.2% 0.081 308)
- #364B16
#364B16
oklch(38.3% 0.082 128.2)
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 #4F3664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.077
- Grape Purple #5D1451 ΔE 0.078
- Purple Brown #673A3F ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.083
- Onyx #343A40 ΔE 0.084
- Prussian Blue #1D3557 ΔE 0.085
- Blueberry #464196 ΔE 0.085
Use #4F3664 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.