#4F375B
Closest named color: Charcoal Grey (#3C4142). oklch(37.9% 0.067 313.9), rgb(79, 55, 91).
Aa
White text reads best on this color (10.34:1).
About this color
#4F375B is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.067 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.069 away. White text reads best on it, at 10.34:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.02:1 |
| White text | 10.34:1 |
Values
| HEX | #4F375B |
| RGB | rgb(79, 55, 91) |
| HSL | hsl(280, 25%, 29%) |
| OKLCH | oklch(37.9% 0.067 313.9) |
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 #4F375B | 10.34:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #4F375B | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #4F375B text on white | 10.34:1 | AAA | Lc 93.9 | Preferred for body text |
| #4F375B text on black | 2.02:1 | Fails | Lc -8.6 | 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
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#E0D4E6
oklch(88.5% 0.028 314.7)
-
Step 300
300
#CDB8D8
oklch(81% 0.05 314.1)
-
Step 400
400
#B392C4
oklch(70.7% 0.08 314)
-
Step 500
500
#A076B5
oklch(63.1% 0.103 314)
-
Step 600
600
#8B5EA1
oklch(55.6% 0.112 314)
-
Step 700
700
#764D89
oklch(49% 0.104 314.4)
-
Step 800
800
#604070
oklch(42.8% 0.086 313.8)
-
Step 900
900 (this color)
#4F375B
oklch(37.9% 0.067 313.9)
-
Step 950
950
#2E2035
oklch(27% 0.043 314)
#4F375B 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) | #313F5C | 0.053 |
| Deuteranopia (no green cones) | #37415A | 0.048 |
| Tritanopia (no blue cones) | #4E3C44 | 0.047 |
| Achromatopsia (no color) | #404040 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F375B
#4F375B
oklch(37.9% 0.067 313.9)
- #334A24
#334A24
oklch(38% 0.067 134.2)
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 #4F375B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.069
- Purple Brown #673A3F ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.071
- Onyx #343A40 ΔE 0.071
- Charcoal #264653 ΔE 0.078
- Grape Purple #5D1451 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.082
Use #4F375B 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.