#635D6C
Closest named color: Slate (#516572). oklch(48.9% 0.025 303.6), rgb(99, 93, 108).
Aa
White text reads best on this color (6.33:1).
About this color
#635D6C is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.032 away. White text reads best on it, at 6.33:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #635D6C |
| RGB | rgb(99, 93, 108) |
| HSL | hsl(264, 7%, 39%) |
| OKLCH | oklch(48.9% 0.025 303.6) |
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 #635D6C | 6.33:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #635D6C | 3.31:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #635D6C text on white | 6.33:1 | AA | Lc 81.6 | Fine for body text |
| #635D6C text on black | 3.31:1 | AA large text | Lc -20.3 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#DAD8DD
oklch(88.5% 0.007 304.2)
-
Step 300
300
#C2BFC7
oklch(80.9% 0.012 303.1)
-
Step 400
400
#A39EAB
oklch(70.8% 0.019 303.3)
-
Step 500
500
#8C8696
oklch(63.1% 0.025 302.7)
-
Step 600
600
#767080
oklch(55.6% 0.025 302.6)
-
Step 700
700 (this color)
#635D6C
oklch(48.9% 0.025 303.6)
-
Step 800
800
#514C58
oklch(42.6% 0.021 304.4)
-
Step 900
900
#434049
oklch(37.8% 0.016 300.8)
-
Step 950
950
#27252B
oklch(26.9% 0.011 300.8)
#635D6C 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) | #5B5F6D | 0.013 |
| Deuteranopia (no green cones) | #5C5F6C | 0.012 |
| Tritanopia (no blue cones) | #625F62 | 0.019 |
| Achromatopsia (no color) | #5F5F5F | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635D6C
#635D6C
oklch(48.9% 0.025 303.6)
- #5D6353
#5D6353
oklch(49% 0.026 124.1)
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 #635D6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.032
- Dusty Grape #545775 ΔE 0.036
- Dim Gray #696969 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.054
- Dusk #4E5481 ΔE 0.060
- Dull Purple #84597E ΔE 0.066
- Muted Purple #805B87 ΔE 0.068
- Denim #3B638C ΔE 0.068
Use #635D6C 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.