#4F376D
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.092 302.9), rgb(79, 55, 109).
Aa
White text reads best on this color (10.00:1).
About this color
#4F376D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.092 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.052 away. White text reads best on it, at 10.00:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #4F376D |
| RGB | rgb(79, 55, 109) |
| HSL | hsl(267, 33%, 32%) |
| OKLCH | oklch(39% 0.092 302.9) |
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 #4F376D | 10.00:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #4F376D | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #4F376D text on white | 10.00:1 | AAA | Lc 93.1 | Preferred for body text |
| #4F376D text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED4EF
oklch(88.6% 0.038 302.4)
-
Step 300
300
#C9B6E6
oklch(80.8% 0.07 302.9)
-
Step 400
400
#AE8FD9
oklch(70.6% 0.11 302.9)
-
Step 500
500
#9B72CF
oklch(63.1% 0.141 302.9)
-
Step 600
600
#8658BC
oklch(55.6% 0.154 303)
-
Step 700
700
#7248A2
oklch(49.2% 0.142 303.1)
-
Step 800
800
#5C3B83
oklch(42.6% 0.118 302.9)
-
Step 900
900 (this color)
#4F376D
oklch(39% 0.092 302.9)
-
Step 950
950
#2C1F3E
oklch(27.1% 0.058 302)
#4F376D 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) | #28426F | 0.064 |
| Deuteranopia (no green cones) | #2D426C | 0.060 |
| Tritanopia (no blue cones) | #4A404D | 0.068 |
| Achromatopsia (no color) | #424242 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F376D
#4F376D
oklch(39% 0.092 302.9)
- #3C4C05
#3C4C05
oklch(38.9% 0.092 122.7)
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 #4F376D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.071
- Twilight #4E518B ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.082
- Dusk #4E5481 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.085
- Rebecca Purple #663399 ΔE 0.085
- Twilight Blue #0A437A ΔE 0.087
Use #4F376D 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.