#635E69
Closest named color: Slate (#516572). oklch(49% 0.018 306.1), rgb(99, 94, 105).
Aa
White text reads best on this color (6.29:1).
About this color
#635E69 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 0.031 away. White text reads best on it, at 6.29:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #635E69 |
| RGB | rgb(99, 94, 105) |
| HSL | hsl(267, 6%, 39%) |
| OKLCH | oklch(49% 0.018 306.1) |
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 #635E69 | 6.29:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #635E69 | 3.33:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #635E69 text on white | 6.29:1 | AA | Lc 81.4 | Fine for body text |
| #635E69 text on black | 3.33:1 | AA large text | Lc -20.5 | 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
#DAD8DC
oklch(88.5% 0.006 308.4)
-
Step 300
300
#C2BFC5
oklch(80.9% 0.009 308.3)
-
Step 400
400
#A39EA8
oklch(70.7% 0.015 308.2)
-
Step 500
500
#8C8792
oklch(63.1% 0.017 306.3)
-
Step 600
600
#76717D
oklch(55.7% 0.019 304.6)
-
Step 700
700 (this color)
#635E69
oklch(49% 0.018 306.1)
-
Step 800
800
#514D56
oklch(42.7% 0.016 305.7)
-
Step 900
900
#434047
oklch(37.7% 0.012 305.1)
-
Step 950
950
#272629
oklch(27.1% 0.006 301.2)
#635E69 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) | #5C606A | 0.012 |
| Deuteranopia (no green cones) | #5D6069 | 0.011 |
| Tritanopia (no blue cones) | #625F62 | 0.013 |
| Achromatopsia (no color) | #606060 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635E69
#635E69
oklch(49% 0.018 306.1)
- #5E6357
#5E6357
oklch(49.2% 0.02 125.6)
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 #635E69, 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 0.036
- Dusty Grape #545775 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.057
- Dusk #4E5481 ΔE 0.065
- Battleship Gray #6C757D ΔE 0.069
- Dull Purple #84597E ΔE 0.069
- Denim #3B638C ΔE 0.072
Use #635E69 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.