#5F616C
Closest named color: Slate (#516572). oklch(49.5% 0.018 277.5), rgb(95, 97, 108).
Aa
White text reads best on this color (6.15:1).
About this color
#5F616C is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.022 away. White text reads best on it, at 6.15:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #5F616C |
| RGB | rgb(95, 97, 108) |
| HSL | hsl(231, 6%, 40%) |
| OKLCH | oklch(49.5% 0.018 277.5) |
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 #5F616C | 6.15:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #5F616C | 3.41:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #5F616C text on white | 6.15:1 | AA | Lc 80.7 | Fine for body text |
| #5F616C text on black | 3.41:1 | AA large text | Lc -21.1 | 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 700.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEB
oklch(93.7% 0.002 247.8)
-
Step 200
200
#D8D9DC
oklch(88.5% 0.004 271.4)
-
Step 300
300
#BFC0C6
oklch(80.9% 0.008 278.6)
-
Step 400
400
#9EA0A9
oklch(70.7% 0.013 276)
-
Step 500
500
#878994
oklch(63.2% 0.017 277.7)
-
Step 600
600
#70727F
oklch(55.5% 0.02 278.8)
-
Step 700
700 (this color)
#5F616C
oklch(49.5% 0.018 277.5)
-
Step 800
800
#4D4E57
oklch(42.6% 0.015 280.7)
-
Step 900
900
#404148
oklch(37.7% 0.012 279.3)
-
Step 950
950
#25262A
oklch(26.9% 0.008 274.7)
#5F616C 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) | #5E626D | 0.003 |
| Deuteranopia (no green cones) | #5E616C | 0.002 |
| Tritanopia (no blue cones) | #5C6364 | 0.017 |
| Achromatopsia (no color) | #616161 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F616C
#5F616C
oklch(49.5% 0.018 277.5)
- #646257
#646257
oklch(49.5% 0.017 98.5)
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 #5F616C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.022
- Dim Gray #696969 ΔE 0.031
- Dusty Grape #545775 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.054
- Battleship Gray #6C757D ΔE 0.064
- Metallic Blue #4F738E ΔE 0.064
- Denim #3B638C ΔE 0.065
- Dusk #4E5481 ΔE 0.066
Use #5F616C 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.