#645348
Closest named color: Brownish Purple (#76424E). oklch(45.6% 0.029 54.7), rgb(100, 83, 72).
Aa
White text reads best on this color (7.31:1).
About this color
#645348 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.060 away. White text reads best on it, at 7.31:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #645348 |
| RGB | rgb(100, 83, 72) |
| HSL | hsl(24, 16%, 34%) |
| OKLCH | oklch(45.6% 0.029 54.7) |
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 #645348 | 7.31:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #645348 | 2.87:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #645348 text on white | 7.31:1 | AAA | Lc 85.4 | Fine for body text |
| #645348 text on black | 2.87:1 | Fails | Lc -16.6 | 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
#DED8D3
oklch(88.6% 0.009 62.6)
-
Step 300
300
#CABEB7
oklch(80.9% 0.017 52.5)
-
Step 400
400
#AE9D91
oklch(70.7% 0.026 57.5)
-
Step 500
500
#9B8476
oklch(63.1% 0.035 53.2)
-
Step 600
600
#856E5F
oklch(55.6% 0.037 54.9)
-
Step 700
700
#715C4E
oklch(49.2% 0.035 55.4)
-
Step 800
800 (this color)
#645348
oklch(45.6% 0.029 54.7)
-
Step 900
900
#4B3F36
oklch(37.7% 0.022 58.9)
-
Step 950
950
#2C2520
oklch(27.1% 0.014 57.6)
#645348 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) | #585447 | 0.021 |
| Deuteranopia (no green cones) | #5C5848 | 0.019 |
| Tritanopia (no blue cones) | #695050 | 0.020 |
| Achromatopsia (no color) | #565656 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645348
#645348
oklch(45.6% 0.029 54.7)
- #485A65
#485A65
oklch(45.7% 0.029 235.1)
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 #645348, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.060
- Milk Chocolate #7F4E1E ΔE 0.064
- Mud Brown #60460F ΔE 0.069
- Purple Brown #673A3F ΔE 0.069
- Dim Gray #696969 ΔE 0.071
- Medium Brown #7F5112 ΔE 0.071
- Slate #516572 ΔE 0.072
- Olive Brown #645403 ΔE 0.072
Use #645348 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.