#665F59
Closest named color: Dim Gray (#696969). oklch(49% 0.013 63.2), rgb(102, 95, 89).
Aa
White text reads best on this color (6.27:1).
About this color
#665F59 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.013. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.033 away. White text reads best on it, at 6.27:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.013) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #665F59 |
| RGB | rgb(102, 95, 89) |
| HSL | hsl(28, 7%, 37%) |
| OKLCH | oklch(49% 0.013 63.2) |
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 #665F59 | 6.27:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #665F59 | 3.34:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #665F59 text on white | 6.27:1 | AA | Lc 81.3 | Fine for body text |
| #665F59 text on black | 3.34:1 | AA large text | Lc -20.6 | 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
#EBE9E8
oklch(93.5% 0.003 48.7)
-
Step 200
200
#DBD9D7
oklch(88.6% 0.004 67.8)
-
Step 300
300
#C4C0BC
oklch(81% 0.007 67.7)
-
Step 400
400
#A59F9A
oklch(70.6% 0.01 62.5)
-
Step 500
500
#8F8882
oklch(63.1% 0.012 63.3)
-
Step 600
600
#79726B
oklch(55.6% 0.014 67.5)
-
Step 700
700 (this color)
#665F59
oklch(49% 0.013 63.2)
-
Step 800
800
#534E49
oklch(42.7% 0.01 67.5)
-
Step 900
900
#45413D
oklch(37.8% 0.009 67.6)
-
Step 950
950
#282624
oklch(27% 0.005 67.6)
#665F59 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) | #615F59 | 0.008 |
| Deuteranopia (no green cones) | #636159 | 0.007 |
| Tritanopia (no blue cones) | #695E5D | 0.009 |
| Achromatopsia (no color) | #606060 | 0.013 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #665F59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.033
- Slate #516572 ΔE 0.045
- Dark Taupe #7F684E ΔE 0.055
- Cocoa #875F42 ΔE 0.062
- Dusty Grape #545775 ΔE 0.064
- Dirt Brown #836539 ΔE 0.070
- Grey Brown #7F7053 ΔE 0.070
- Dark Moss Green #606C38 ΔE 0.072
Use #665F59 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.