#645449
Closest named color: Brownish Purple (#76424E). oklch(45.9% 0.027 56.4), rgb(100, 84, 73).
Aa
White text reads best on this color (7.22:1).
About this color
#645449 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.061 away. White text reads best on it, at 7.22:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #645449 |
| RGB | rgb(100, 84, 73) |
| HSL | hsl(24, 16%, 34%) |
| OKLCH | oklch(45.9% 0.027 56.4) |
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 #645449 | 7.22:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #645449 | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #645449 text on white | 7.22:1 | AAA | Lc 85.1 | Fine for body text |
| #645449 text on black | 2.90:1 | Fails | Lc -16.9 | 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 800.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#ECE9E7
oklch(93.6% 0.004 56.4)
-
Step 200
200
#DED8D4
oklch(88.6% 0.009 56.3)
-
Step 300
300
#C9BEB7
oklch(80.9% 0.016 54.9)
-
Step 400
400
#AE9D91
oklch(70.7% 0.026 57.5)
-
Step 500
500
#9A8577
oklch(63.2% 0.033 55.7)
-
Step 600
600
#846E5F
oklch(55.5% 0.036 56.1)
-
Step 700
700
#705C4F
oklch(49.1% 0.033 54.8)
-
Step 800
800 (this color)
#645449
oklch(45.9% 0.027 56.4)
-
Step 900
900
#4B3F37
oklch(37.8% 0.021 55.6)
-
Step 950
950
#2C2520
oklch(27.1% 0.014 57.6)
#645449 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) | #595548 | 0.019 |
| Deuteranopia (no green cones) | #5C5849 | 0.017 |
| Tritanopia (no blue cones) | #695151 | 0.020 |
| Achromatopsia (no color) | #575757 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645449
#645449
oklch(45.9% 0.027 56.4)
- #495A65
#495A65
oklch(45.7% 0.028 236.6)
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 #645449, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.061
- Milk Chocolate #7F4E1E ΔE 0.064
- Dim Gray #696969 ΔE 0.068
- Slate #516572 ΔE 0.070
- Mud Brown #60460F ΔE 0.071
- Medium Brown #7F5112 ΔE 0.071
- Dusty Grape #545775 ΔE 0.072
- Purple Brown #673A3F ΔE 0.072
Use #645449 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.