#665A5E
Closest named color: Dim Gray (#696969). oklch(48% 0.017 355.6), rgb(102, 90, 94).
Aa
White text reads best on this color (6.58:1).
About this color
#665A5E is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.044 away. White text reads best on it, at 6.58:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #665A5E |
| RGB | rgb(102, 90, 94) |
| HSL | hsl(340, 6%, 38%) |
| OKLCH | oklch(48% 0.017 355.6) |
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 #665A5E | 6.58:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #665A5E | 3.18:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #665A5E text on white | 6.58:1 | AA | Lc 82.6 | Fine for body text |
| #665A5E text on black | 3.18:1 | AA large text | Lc -19.3 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD8D9
oklch(88.6% 0.005 0)
-
Step 300
300
#C5BEC1
oklch(80.8% 0.009 349.3)
-
Step 400
400
#A89DA1
oklch(70.7% 0.014 353.3)
-
Step 500
500
#92858A
oklch(63% 0.017 352.3)
-
Step 600
600
#7D6F74
oklch(55.6% 0.019 354.1)
-
Step 700
700 (this color)
#665A5E
oklch(48% 0.017 355.6)
-
Step 800
800
#564C4F
oklch(42.7% 0.014 357.6)
-
Step 900
900
#473F42
oklch(37.7% 0.012 353)
-
Step 950
950
#292526
oklch(26.9% 0.006 0.5)
#665A5E 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) | #5B5C5E | 0.018 |
| Deuteranopia (no green cones) | #5E5E5E | 0.017 |
| Tritanopia (no blue cones) | #685A5B | 0.006 |
| Achromatopsia (no color) | #5D5D5D | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665A5E
#665A5E
oklch(48% 0.017 355.6)
- #54615D
#54615D
oklch(48% 0.017 175.1)
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 #665A5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.044
- Slate #516572 ΔE 0.045
- Dusty Grape #545775 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.066
- Brownish Purple #76424E ΔE 0.067
- Dark Mauve #874C62 ΔE 0.069
- Dark Taupe #7F684E ΔE 0.070
- Cocoa #875F42 ΔE 0.073
Use #665A5E 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.