#645949
Closest named color: Dim Gray (#696969). oklch(47% 0.029 77.2), rgb(100, 89, 73).
Aa
White text reads best on this color (6.84:1).
About this color
#645949 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.058 away. White text reads best on it, at 6.84:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #645949 |
| RGB | rgb(100, 89, 73) |
| HSL | hsl(36, 16%, 34%) |
| OKLCH | oklch(47% 0.029 77.2) |
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 #645949 | 6.84:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #645949 | 3.06:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #645949 text on white | 6.84:1 | AA | Lc 83.7 | Fine for body text |
| #645949 text on black | 3.06:1 | AA large text | Lc -18.3 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EBE9E7
oklch(93.5% 0.003 67.8)
-
Step 200
200
#DCD8D4
oklch(88.4% 0.007 67.7)
-
Step 300
300
#C6C0B7
oklch(81% 0.014 78.2)
-
Step 400
400
#A99F92
oklch(70.7% 0.022 74.6)
-
Step 500
500
#938877
oklch(63.2% 0.028 78.8)
-
Step 600
600
#7E715F
oklch(55.6% 0.031 76)
-
Step 700
700 (this color)
#645949
oklch(47% 0.029 77.2)
-
Step 800
800
#564E41
oklch(42.8% 0.023 79.9)
-
Step 900
900
#474037
oklch(37.6% 0.018 74.1)
-
Step 950
950
#2A2620
oklch(27.1% 0.012 78.1)
#645949 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) | #5E5948 | 0.010 |
| Deuteranopia (no green cones) | #605C49 | 0.011 |
| Tritanopia (no blue cones) | #695655 | 0.025 |
| Achromatopsia (no color) | #5A5A5A | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645949
#645949
oklch(47% 0.029 77.2)
- #515C6B
#515C6B
oklch(47.1% 0.028 256.2)
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 #645949, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.058
- Milk Chocolate #7F4E1E ΔE 0.063
- Slate #516572 ΔE 0.065
- Cocoa #875F42 ΔE 0.066
- Mud #735C12 ΔE 0.066
- Dark Taupe #7F684E ΔE 0.066
- Medium Brown #7F5112 ΔE 0.068
- Olive Brown #645403 ΔE 0.068
Use #645949 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.