#646058
Closest named color: Dim Gray (#696969). oklch(49% 0.013 84.6), rgb(100, 96, 88).
Aa
White text reads best on this color (6.25:1).
About this color
#646058 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 6.25:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.013) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #646058 |
| RGB | rgb(100, 96, 88) |
| HSL | hsl(40, 6%, 37%) |
| OKLCH | oklch(49% 0.013 84.6) |
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 #646058 | 6.25:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #646058 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #646058 text on white | 6.25:1 | AA | Lc 81.2 | Fine for body text |
| #646058 text on black | 3.35:1 | AA large text | Lc -20.7 | 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
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#DAD9D6
oklch(88.5% 0.004 91.5)
-
Step 300
300
#C2C0BC
oklch(80.8% 0.006 84.6)
-
Step 400
400
#A4A099
oklch(70.7% 0.011 81.8)
-
Step 500
500
#8D8981
oklch(63.1% 0.013 84.6)
-
Step 600
600
#77736A
oklch(55.6% 0.014 86.9)
-
Step 700
700 (this color)
#646058
oklch(49% 0.013 84.6)
-
Step 800
800
#524F48
oklch(42.8% 0.012 87.5)
-
Step 900
900
#44413C
oklch(37.7% 0.009 80.7)
-
Step 950
950
#282623
oklch(27% 0.006 78.2)
#646058 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) | #626058 | 0.003 |
| Deuteranopia (no green cones) | #636158 | 0.003 |
| Tritanopia (no blue cones) | #665F5E | 0.012 |
| Achromatopsia (no color) | #606060 | 0.014 |
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 #646058, 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 0.064
- Dusty Grape #545775 ΔE 0.066
- Dark Moss Green #606C38 ΔE 0.068
- Dirt Brown #836539 ΔE 0.069
- Grey Brown #7F7053 ΔE 0.069
Use #646058 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.