#645046
Closest named color: Brownish Purple (#76424E). oklch(44.9% 0.031 48), rgb(100, 80, 70).
Aa
White text reads best on this color (7.56:1).
About this color
#645046 is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.031 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.054 away. White text reads best on it, at 7.56:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #645046 |
| RGB | rgb(100, 80, 70) |
| HSL | hsl(20, 18%, 33%) |
| OKLCH | oklch(44.9% 0.031 48) |
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 #645046 | 7.56:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #645046 | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #645046 text on white | 7.56:1 | AAA | Lc 86.3 | Fine for body text |
| #645046 text on black | 2.77:1 | Fails | Lc -15.8 | 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
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D3
oklch(88.4% 0.01 48.6)
-
Step 300
300
#CBBDB7
oklch(80.8% 0.018 44.8)
-
Step 400
400
#B19C91
oklch(70.8% 0.03 49.4)
-
Step 500
500
#9D8376
oklch(63% 0.037 48.1)
-
Step 600
600
#886D5F
oklch(55.7% 0.04 48.9)
-
Step 700
700
#735B4E
oklch(49.2% 0.038 49.9)
-
Step 800
800 (this color)
#645046
oklch(44.9% 0.031 48)
-
Step 900
900
#4D3E36
oklch(37.7% 0.025 49.6)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#645046 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) | #555245 | 0.026 |
| Deuteranopia (no green cones) | #5A5646 | 0.024 |
| Tritanopia (no blue cones) | #6A4D4D | 0.020 |
| Achromatopsia (no color) | #545454 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645046
#645046
oklch(44.9% 0.031 48)
- #435963
#435963
oklch(45% 0.031 227.5)
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 #645046, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.054
- Purple Brown #673A3F ΔE 0.061
- Milk Chocolate #7F4E1E ΔE 0.064
- Mud Brown #60460F ΔE 0.065
- Medium Brown #7F5112 ΔE 0.073
- Olive Brown #645403 ΔE 0.074
- Dusty Grape #545775 ΔE 0.074
- Slate #516572 ΔE 0.078
Use #645046 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.