#646158
Closest named color: Dim Gray (#696969). oklch(49.3% 0.015 91.6), rgb(100, 97, 88).
Aa
White text reads best on this color (6.18:1).
About this color
#646158 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.032 away. White text reads best on it, at 6.18:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #646158 |
| RGB | rgb(100, 97, 88) |
| HSL | hsl(45, 6%, 37%) |
| OKLCH | oklch(49.3% 0.015 91.6) |
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 #646158 | 6.18:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #646158 | 3.39:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #646158 text on white | 6.18:1 | AA | Lc 80.9 | Fine for body text |
| #646158 text on black | 3.39:1 | AA large text | Lc -21.0 | 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
#A3A099
oklch(70.6% 0.011 87.5)
-
Step 500
500
#8C8980
oklch(63% 0.014 91.6)
-
Step 600
600
#767369
oklch(55.5% 0.016 93.1)
-
Step 700
700 (this color)
#646158
oklch(49.3% 0.015 91.6)
-
Step 800
800
#514F48
oklch(42.7% 0.012 93.7)
-
Step 900
900
#43413C
oklch(37.6% 0.009 88.7)
-
Step 950
950
#272623
oklch(26.9% 0.006 91.6)
#646158 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) | #636157 | 0.002 |
| Deuteranopia (no green cones) | #646158 | 0.000 |
| Tritanopia (no blue cones) | #665F5E | 0.013 |
| Achromatopsia (no color) | #616161 | 0.015 |
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 #646158, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.032
- Slate #516572 ΔE 0.045
- Dark Taupe #7F684E ΔE 0.054
- Cocoa #875F42 ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.066
- Grey Brown #7F7053 ΔE 0.067
- Dirt Brown #836539 ΔE 0.068
- Dusty Grape #545775 ΔE 0.068
Use #646158 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.