#4E5A58
Closest named color: Slate (#516572). oklch(45.7% 0.015 184.6), rgb(78, 90, 88).
Aa
White text reads best on this color (7.17:1).
About this color
#4E5A58 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.015. 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 7.17:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #4E5A58 |
| RGB | rgb(78, 90, 88) |
| HSL | hsl(170, 7%, 33%) |
| OKLCH | oklch(45.7% 0.015 184.6) |
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 #4E5A58 | 7.17:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #4E5A58 | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #4E5A58 text on white | 7.17:1 | AAA | Lc 84.9 | Fine for body text |
| #4E5A58 text on black | 2.92:1 | Fails | Lc -17.1 | 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
#D6DAD9
oklch(88.5% 0.005 179.7)
-
Step 300
300
#BBC2C1
oklch(80.8% 0.008 186.8)
-
Step 400
400
#97A4A1
oklch(70.7% 0.015 180.5)
-
Step 500
500
#7E8D8B
oklch(63.1% 0.018 187.1)
-
Step 600
600
#677775
oklch(55.5% 0.019 187.5)
-
Step 700
700
#556462
oklch(49% 0.019 186.8)
-
Step 800
800 (this color)
#4E5A58
oklch(45.7% 0.015 184.6)
-
Step 900
900
#3B4442
oklch(37.8% 0.012 180.8)
-
Step 950
950
#232827
oklch(27.1% 0.007 182.4)
#4E5A58 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) | #595958 | 0.017 |
| Deuteranopia (no green cones) | #565758 | 0.015 |
| Tritanopia (no blue cones) | #4B5B59 | 0.005 |
| Achromatopsia (no color) | #575757 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5A58
#4E5A58
oklch(45.7% 0.015 184.6)
- #5F5456
#5F5456
oklch(45.7% 0.015 5.3)
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 #4E5A58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.053
- Dusty Grape #545775 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.058
- Petrol #005F6A ΔE 0.064
- Dim Gray #696969 ΔE 0.066
- Dark Aqua #05696B ΔE 0.066
Use #4E5A58 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.