#4D585B
Closest named color: YInMn Blue (#415A77). oklch(45.2% 0.015 216), rgb(77, 88, 91).
Aa
White text reads best on this color (7.33:1).
About this color
#4D585B is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.046 away. White text reads best on it, at 7.33:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #4D585B |
| RGB | rgb(77, 88, 91) |
| HSL | hsl(193, 8%, 33%) |
| OKLCH | oklch(45.2% 0.015 216) |
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 #4D585B | 7.33:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #4D585B | 2.86:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #4D585B text on white | 7.33:1 | AAA | Lc 85.5 | Fine for body text |
| #4D585B text on black | 2.86:1 | Fails | Lc -16.5 | Dividers and decoration only |
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
#F5F6F6
oklch(97.2% 0.001 197.1)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6DADB
oklch(88.6% 0.005 214.3)
-
Step 300
300
#BBC2C4
oklch(80.9% 0.008 216.6)
-
Step 400
400
#98A3A6
oklch(70.8% 0.013 215.9)
-
Step 500
500
#7E8C90
oklch(63% 0.017 216.8)
-
Step 600
600
#67767A
oklch(55.5% 0.019 215.6)
-
Step 700
700
#566367
oklch(49% 0.017 218.2)
-
Step 800
800 (this color)
#4D585B
oklch(45.2% 0.015 216)
-
Step 900
900
#3B4345
oklch(37.6% 0.011 214.4)
-
Step 950
950
#232729
oklch(27% 0.007 229.1)
#4D585B 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) | #56575B | 0.014 |
| Deuteranopia (no green cones) | #53555B | 0.012 |
| Tritanopia (no blue cones) | #495959 | 0.008 |
| Achromatopsia (no color) | #565656 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4D585B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.046
- Dusty Grape #545775 ΔE 0.047
- Slate #516572 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.059
- Petrol #005F6A ΔE 0.062
- Dusk #4E5481 ΔE 0.068
- Dark Aqua #05696B ΔE 0.069
Use #4D585B 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.