#665D69
Closest named color: Slate (#516572). oklch(49.1% 0.022 317.7), rgb(102, 93, 105).
Aa
White text reads best on this color (6.29:1).
About this color
#665D69 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.036 away. White text reads best on it, at 6.29:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #665D69 |
| RGB | rgb(102, 93, 105) |
| HSL | hsl(285, 6%, 39%) |
| OKLCH | oklch(49.1% 0.022 317.7) |
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 #665D69 | 6.29:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #665D69 | 3.33:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #665D69 text on white | 6.29:1 | AA | Lc 81.4 | Fine for body text |
| #665D69 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DBD8DC
oklch(88.6% 0.006 317.8)
-
Step 300
300
#C3BEC5
oklch(80.8% 0.011 316.5)
-
Step 400
400
#A59DA8
oklch(70.6% 0.018 316.9)
-
Step 500
500
#8F8692
oklch(63.2% 0.021 317.7)
-
Step 600
600
#796F7D
oklch(55.6% 0.024 316.4)
-
Step 700
700 (this color)
#665D69
oklch(49.1% 0.022 317.7)
-
Step 800
800
#534C56
oklch(42.7% 0.019 315.9)
-
Step 900
900
#453F47
oklch(37.7% 0.016 317.7)
-
Step 950
950
#282529
oklch(26.9% 0.008 317.7)
#665D69 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) | #5C5F6A | 0.016 |
| Deuteranopia (no green cones) | #5E6069 | 0.015 |
| Tritanopia (no blue cones) | #665E61 | 0.014 |
| Achromatopsia (no color) | #606060 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665D69
#665D69
oklch(49.1% 0.022 317.7)
- #5B6458
#5B6458
oklch(49.2% 0.022 137.8)
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 #665D69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.036
- Dim Gray #696969 ΔE 0.037
- Dusty Grape #545775 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.060
- Dull Purple #84597E ΔE 0.065
- Dusk #4E5481 ΔE 0.066
- Muted Purple #805B87 ΔE 0.068
- Dusky Purple #895B7B ΔE 0.068
Use #665D69 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.