#4F3757
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.061 317.5), rgb(79, 55, 87).
Aa
White text reads best on this color (10.41:1).
About this color
#4F3757 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.061 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.064 away. White text reads best on it, at 10.41:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #4F3757 |
| RGB | rgb(79, 55, 87) |
| HSL | hsl(285, 23%, 28%) |
| OKLCH | oklch(37.7% 0.061 317.5) |
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 #4F3757 | 10.41:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #4F3757 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #4F3757 text on white | 10.41:1 | AAA | Lc 94.1 | Preferred for body text |
| #4F3757 text on black | 2.01:1 | 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
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E0D4E4
oklch(88.4% 0.025 317.7)
-
Step 300
300
#CDB8D4
oklch(80.9% 0.045 317.7)
-
Step 400
400
#B493BF
oklch(70.8% 0.073 317.6)
-
Step 500
500
#A177AF
oklch(63.1% 0.095 317.5)
-
Step 600
600
#8C5F9A
oklch(55.6% 0.102 317.9)
-
Step 700
700
#774E84
oklch(49.1% 0.096 317.8)
-
Step 800
800
#61416B
oklch(42.8% 0.078 317.9)
-
Step 900
900 (this color)
#4F3757
oklch(37.7% 0.061 317.5)
-
Step 950
950
#2E2033
oklch(26.9% 0.04 317)
#4F3757 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) | #333E58 | 0.050 |
| Deuteranopia (no green cones) | #384156 | 0.048 |
| Tritanopia (no blue cones) | #4F3B43 | 0.040 |
| Achromatopsia (no color) | #404040 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3757
#4F3757
oklch(37.7% 0.061 317.5)
- #314928
#314928
oklch(37.6% 0.061 137.6)
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 #4F3757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.064
- Purple Brown #673A3F ΔE 0.065
- Onyx #343A40 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.069
- Charcoal #264653 ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.080
- Grape Purple #5D1451 ΔE 0.080
- Gunmetal #293241 ΔE 0.081
Use #4F3757 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.