#635755
Closest named color: Slate (#516572). oklch(46.8% 0.016 29), rgb(99, 87, 85).
Aa
White text reads best on this color (6.94:1).
About this color
#635755 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.054 away. White text reads best on it, at 6.94:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #635755 |
| RGB | rgb(99, 87, 85) |
| HSL | hsl(9, 8%, 36%) |
| OKLCH | oklch(46.8% 0.016 29) |
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 #635755 | 6.94:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #635755 | 3.02:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #635755 text on white | 6.94:1 | AA | Lc 84.0 | Fine for body text |
| #635755 text on black | 3.02:1 | AA large text | Lc -17.9 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EBE9E9
oklch(93.6% 0.002 17.2)
-
Step 200
200
#DCD8D7
oklch(88.5% 0.005 34.3)
-
Step 300
300
#C6BFBE
oklch(81% 0.008 27.2)
-
Step 400
400
#A89E9C
oklch(70.7% 0.012 31.1)
-
Step 500
500
#938684
oklch(63.1% 0.016 28.1)
-
Step 600
600
#7D706D
oklch(55.6% 0.017 33.1)
-
Step 700
700 (this color)
#635755
oklch(46.8% 0.016 29)
-
Step 800
800
#564C4B
oklch(42.6% 0.014 24.5)
-
Step 900
900
#47403E
oklch(37.8% 0.01 36.5)
-
Step 950
950
#2A2525
oklch(27% 0.008 17.6)
#635755 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) | #595855 | 0.016 |
| Deuteranopia (no green cones) | #5C5A55 | 0.014 |
| Tritanopia (no blue cones) | #665656 | 0.006 |
| Achromatopsia (no color) | #5A5A5A | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635755
#635755
oklch(46.8% 0.016 29)
- #505D5F
#505D5F
oklch(46.8% 0.016 207.8)
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 #635755, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.054
- Dim Gray #696969 ΔE 0.055
- Dusty Grape #545775 ΔE 0.056
- Brownish Purple #76424E ΔE 0.063
- YInMn Blue #415A77 ΔE 0.069
- Dark Taupe #7F684E ΔE 0.075
- Cocoa #875F42 ΔE 0.075
- Dark Mauve #874C62 ΔE 0.075
Use #635755 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.