#4F4757
Closest named color: Charcoal Grey (#3C4142). oklch(41.2% 0.028 307.7), rgb(79, 71, 87).
Aa
White text reads best on this color (8.85:1).
About this color
#4F4757 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.051 away. White text reads best on it, at 8.85:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #4F4757 |
| RGB | rgb(79, 71, 87) |
| HSL | hsl(270, 10%, 31%) |
| OKLCH | oklch(41.2% 0.028 307.7) |
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 #4F4757 | 8.85:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #4F4757 | 2.37:1 | Fails | Lc 13.7 | Not readable |
| #4F4757 text on white | 8.85:1 | AAA | Lc 90.3 | Preferred for body text |
| #4F4757 text on black | 2.37:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD8DE
oklch(88.6% 0.009 308.4)
-
Step 300
300
#C3BEC9
oklch(80.9% 0.016 306.4)
-
Step 400
400
#A59DAE
oklch(70.8% 0.026 306.8)
-
Step 500
500
#8F849A
oklch(63% 0.035 307.8)
-
Step 600
600
#796E84
oklch(55.6% 0.036 307.7)
-
Step 700
700
#665C70
oklch(49.2% 0.034 307.7)
-
Step 800
800 (this color)
#4F4757
oklch(41.2% 0.028 307.7)
-
Step 900
900
#453F4B
oklch(37.8% 0.022 307.8)
-
Step 950
950
#28252C
oklch(27.1% 0.013 304.9)
#4F4757 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) | #454A58 | 0.018 |
| Deuteranopia (no green cones) | #464A56 | 0.017 |
| Tritanopia (no blue cones) | #4E494C | 0.022 |
| Achromatopsia (no color) | #4A4A4A | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4757
#4F4757
oklch(41.2% 0.028 307.7)
- #464E3E
#464E3E
oklch(41.2% 0.028 129.2)
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 #4F4757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.056
- Purple Brown #673A3F ΔE 0.059
- Dusty Grape #545775 ΔE 0.061
- Charcoal #264653 ΔE 0.061
- YInMn Blue #415A77 ΔE 0.067
- Dusk #4E5481 ΔE 0.071
Use #4F4757 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.