#4E5A5A
Closest named color: Slate (#516572). oklch(45.7% 0.015 196.6), rgb(78, 90, 90).
Aa
White text reads best on this color (7.15:1).
About this color
#4E5A5A 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 0.044 away. White text reads best on it, at 7.15:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #4E5A5A |
| RGB | rgb(78, 90, 90) |
| HSL | hsl(180, 7%, 33%) |
| OKLCH | oklch(45.7% 0.015 196.6) |
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 #4E5A5A | 7.15:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #4E5A5A | 2.93:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #4E5A5A text on white | 7.15:1 | AAA | Lc 84.9 | Fine for body text |
| #4E5A5A text on black | 2.93:1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D6DADA
oklch(88.5% 0.004 197.1)
-
Step 300
300
#BAC2C2
oklch(80.8% 0.009 197)
-
Step 400
400
#97A3A3
oklch(70.6% 0.014 196.8)
-
Step 500
500
#7E8D8D
oklch(63.1% 0.017 196.7)
-
Step 600
600
#677777
oklch(55.6% 0.019 196.6)
-
Step 700
700
#556464
oklch(49.1% 0.018 196.6)
-
Step 800
800 (this color)
#4E5A5A
oklch(45.7% 0.015 196.6)
-
Step 900
900
#3B4444
oklch(37.8% 0.012 196.7)
-
Step 950
950
#222828
oklch(27.1% 0.009 196.7)
#4E5A5A 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) | #58595A | 0.015 |
| Deuteranopia (no green cones) | #56575A | 0.014 |
| Tritanopia (no blue cones) | #4B5B5A | 0.005 |
| Achromatopsia (no color) | #585858 | 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 #4E5A5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.050
- Dusty Grape #545775 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.059
- Petrol #005F6A ΔE 0.063
- Dim Gray #696969 ΔE 0.065
- Dark Aqua #05696B ΔE 0.066
Use #4E5A5A 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.