#645753
Closest named color: Dim Gray (#696969). oklch(46.8% 0.018 37.8), rgb(100, 87, 83).
Aa
White text reads best on this color (6.93:1).
About this color
#645753 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.056 away. White text reads best on it, at 6.93:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.03:1 |
| White text | 6.93:1 |
Values
| HEX | #645753 |
| RGB | rgb(100, 87, 83) |
| HSL | hsl(14, 9%, 36%) |
| OKLCH | oklch(46.8% 0.018 37.8) |
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 #645753 | 6.93:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #645753 | 3.03:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #645753 text on white | 6.93:1 | AA | Lc 84.0 | Fine for body text |
| #645753 text on black | 3.03:1 | AA large text | Lc -18.0 | 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
#EBE9E8
oklch(93.5% 0.003 48.7)
-
Step 200
200
#DCD8D7
oklch(88.5% 0.005 34.3)
-
Step 300
300
#C6BFBC
oklch(80.9% 0.009 44.9)
-
Step 400
400
#A99E9A
oklch(70.7% 0.014 41.2)
-
Step 500
500
#948682
oklch(63.1% 0.018 36.5)
-
Step 600
600
#7E706B
oklch(55.7% 0.019 40.7)
-
Step 700
700 (this color)
#645753
oklch(46.8% 0.018 37.8)
-
Step 800
800
#574C49
oklch(42.7% 0.016 35.7)
-
Step 900
900
#48403D
oklch(37.9% 0.012 41.7)
-
Step 950
950
#2A2524
oklch(27% 0.008 31.1)
#645753 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) | #5A5853 | 0.016 |
| Deuteranopia (no green cones) | #5D5B53 | 0.016 |
| Tritanopia (no blue cones) | #685556 | 0.011 |
| Achromatopsia (no color) | #5A5A5A | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645753
#645753
oklch(46.8% 0.018 37.8)
- #4F5D61
#4F5D61
oklch(46.8% 0.018 216.9)
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 #645753, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.056
- Slate #516572 ΔE 0.056
- Dusty Grape #545775 ΔE 0.060
- Brownish Purple #76424E ΔE 0.063
- Cocoa #875F42 ΔE 0.073
- YInMn Blue #415A77 ΔE 0.073
- Dark Taupe #7F684E ΔE 0.073
- Milk Chocolate #7F4E1E ΔE 0.074
Use #645753 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.