#635F67
Closest named color: Slate (#516572). oklch(49.2% 0.013 308.2), rgb(99, 95, 103).
Aa
White text reads best on this color (6.24:1).
About this color
#635F67 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.013. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.031 away. White text reads best on it, at 6.24:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.013) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #635F67 |
| RGB | rgb(99, 95, 103) |
| HSL | hsl(270, 4%, 39%) |
| OKLCH | oklch(49.2% 0.013 308.2) |
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 #635F67 | 6.24:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #635F67 | 3.36:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #635F67 text on white | 6.24:1 | AA | Lc 81.1 | Fine for body text |
| #635F67 text on black | 3.36:1 | AA large text | Lc -20.7 | 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
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#DAD8DB
oklch(88.5% 0.005 314.8)
-
Step 300
300
#C2BFC4
oklch(80.9% 0.008 312.3)
-
Step 400
400
#A29FA6
oklch(70.7% 0.011 305.3)
-
Step 500
500
#8C8790
oklch(63.1% 0.014 310.4)
-
Step 600
600
#76717A
oklch(55.6% 0.015 310.4)
-
Step 700
700 (this color)
#635F67
oklch(49.2% 0.013 308.2)
-
Step 800
800
#514D54
oklch(42.7% 0.012 311)
-
Step 900
900
#434045
oklch(37.6% 0.009 312.2)
-
Step 950
950
#272629
oklch(27.1% 0.006 301.2)
#635F67 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) | #5E6067 | 0.008 |
| Deuteranopia (no green cones) | #5F6167 | 0.008 |
| Tritanopia (no blue cones) | #636062 | 0.010 |
| Achromatopsia (no color) | #606060 | 0.014 |
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 #635F67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.031
- Dim Gray #696969 ΔE 0.032
- Dusty Grape #545775 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.059
- Battleship Gray #6C757D ΔE 0.068
- Dark Taupe #7F684E ΔE 0.070
- Dusk #4E5481 ΔE 0.070
- Dull Purple #84597E ΔE 0.072
Use #635F67 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.