#4E5B57
Closest named color: Slate (#516572). oklch(45.9% 0.017 175), rgb(78, 91, 87).
Aa
White text reads best on this color (7.09:1).
About this color
#4E5B57 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.046 away. White text reads best on it, at 7.09:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.95:1 |
| White text | 7.09:1 |
Values
| HEX | #4E5B57 |
| RGB | rgb(78, 91, 87) |
| HSL | hsl(162, 8%, 33%) |
| OKLCH | oklch(45.9% 0.017 175) |
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 #4E5B57 | 7.09:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #4E5B57 | 2.95:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #4E5B57 text on white | 7.09:1 | AAA | Lc 84.6 | Fine for body text |
| #4E5B57 text on black | 2.95:1 | Fails | Lc -17.4 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DAD9
oklch(88.4% 0.006 183)
-
Step 300
300
#BAC3C0
oklch(80.9% 0.011 174.2)
-
Step 400
400
#97A4A0
oklch(70.7% 0.016 175.5)
-
Step 500
500
#7D8E89
oklch(63.2% 0.021 176)
-
Step 600
600
#667872
oklch(55.6% 0.023 173.3)
-
Step 700
700
#556560
oklch(49.2% 0.021 174.6)
-
Step 800
800 (this color)
#4E5B57
oklch(45.9% 0.017 175)
-
Step 900
900
#3A4441
oklch(37.7% 0.014 175.5)
-
Step 950
950
#222826
oklch(27% 0.009 173.5)
#4E5B57 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) | #5A5957 | 0.019 |
| Deuteranopia (no green cones) | #575757 | 0.018 |
| Tritanopia (no blue cones) | #4B5B5A | 0.006 |
| Achromatopsia (no color) | #585858 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5B57
#4E5B57
oklch(45.9% 0.017 175)
- #605458
#605458
oklch(45.9% 0.017 355.6)
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 #4E5B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.055
- Dusty Grape #545775 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.060
- Petrol #005F6A ΔE 0.064
- Dim Gray #696969 ΔE 0.065
- Dark Aqua #05696B ΔE 0.065
Use #4E5B57 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.