#4F3759
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.064 315.6), rgb(79, 55, 89).
Aa
White text reads best on this color (10.37:1).
About this color
#4F3759 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.064 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.066 away. White text reads best on it, at 10.37:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #4F3759 |
| RGB | rgb(79, 55, 89) |
| HSL | hsl(282, 24%, 28%) |
| OKLCH | oklch(37.8% 0.064 315.6) |
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 #4F3759 | 10.37:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #4F3759 | 2.02:1 | Fails | Lc 9.9 | Not readable |
| #4F3759 text on white | 10.37:1 | AAA | Lc 94.0 | Preferred for body text |
| #4F3759 text on black | 2.02:1 | Fails | Lc -8.5 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CDB8D6
oklch(81% 0.047 315.8)
-
Step 400
400
#B392C1
oklch(70.6% 0.076 315.7)
-
Step 500
500
#A077B2
oklch(63.1% 0.098 315.2)
-
Step 600
600
#8B5F9E
oklch(55.6% 0.107 315.2)
-
Step 700
700
#764E87
oklch(49.1% 0.099 315.3)
-
Step 800
800
#60406D
oklch(42.6% 0.082 315.8)
-
Step 900
900 (this color)
#4F3759
oklch(37.8% 0.064 315.6)
-
Step 950
950
#2E2034
oklch(27% 0.041 315.5)
#4F3759 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) | #323E5A | 0.051 |
| Deuteranopia (no green cones) | #374158 | 0.049 |
| Tritanopia (no blue cones) | #4F3B44 | 0.042 |
| Achromatopsia (no color) | #404040 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3759
#4F3759
oklch(37.8% 0.064 315.6)
- #324A26
#324A26
oklch(37.9% 0.065 135.9)
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 #4F3759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.066
- Purple Brown #673A3F ΔE 0.067
- Onyx #343A40 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.070
- Charcoal #264653 ΔE 0.077
- Grape Purple #5D1451 ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.081
- Prussian Blue #1D3557 ΔE 0.082
Use #4F3759 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.