#4F374A
Closest named color: Charcoal Grey (#3C4142). oklch(37.1% 0.045 334.1), rgb(79, 55, 74).
Aa
White text reads best on this color (10.61:1).
About this color
#4F374A is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.045 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.049 away. White text reads best on it, at 10.61:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #4F374A |
| RGB | rgb(79, 55, 74) |
| HSL | hsl(312, 18%, 26%) |
| OKLCH | oklch(37.1% 0.045 334.1) |
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 #4F374A | 10.61:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #4F374A | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #4F374A text on white | 10.61:1 | AAA | Lc 94.6 | Preferred for body text |
| #4F374A text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7EC
oklch(93.5% 0.01 335.5)
-
Step 200
200
#E1D5DE
oklch(88.5% 0.018 334.2)
-
Step 300
300
#CFB9CA
oklch(80.9% 0.034 333.7)
-
Step 400
400
#B694AF
oklch(70.6% 0.055 333.3)
-
Step 500
500
#A47A9B
oklch(63.2% 0.069 334.1)
-
Step 600
600
#8F6286
oklch(55.6% 0.077 333.9)
-
Step 700
700
#795171
oklch(49% 0.071 334)
-
Step 800
800
#63435C
oklch(42.8% 0.058 334.7)
-
Step 900
900 (this color)
#4F374A
oklch(37.1% 0.045 334.1)
-
Step 950
950
#2F212C
oklch(26.9% 0.029 334.1)
#4F374A 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) | #373C4B | 0.043 |
| Deuteranopia (no green cones) | #3D4049 | 0.041 |
| Tritanopia (no blue cones) | #51383E | 0.022 |
| Achromatopsia (no color) | #3E3E3E | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F374A
#4F374A
oklch(37.1% 0.045 334.1)
- #2C4735
#2C4735
oklch(37% 0.045 154.4)
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 #4F374A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.049
- Purple Brown #673A3F ΔE 0.053
- Onyx #343A40 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.070
- Charcoal #264653 ΔE 0.072
- Gunmetal #293241 ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.077
Use #4F374A 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.