#645146
Closest named color: Brownish Purple (#76424E). oklch(45.1% 0.031 51.7), rgb(100, 81, 70).
Aa
White text reads best on this color (7.48:1).
About this color
#645146 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.031 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.057 away. White text reads best on it, at 7.48:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #645146 |
| RGB | rgb(100, 81, 70) |
| HSL | hsl(22, 18%, 33%) |
| OKLCH | oklch(45.1% 0.031 51.7) |
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 #645146 | 7.48:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #645146 | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #645146 text on white | 7.48:1 | AAA | Lc 86.0 | Fine for body text |
| #645146 text on black | 2.80:1 | Fails | Lc -16.1 | 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
#CBBEB6
oklch(81% 0.018 53.9)
-
Step 400
400
#B09C91
oklch(70.7% 0.029 50.7)
-
Step 500
500
#9C8475
oklch(63.1% 0.037 53.9)
-
Step 600
600
#876D5E
oklch(55.6% 0.04 51.6)
-
Step 700
700
#725B4D
oklch(49% 0.037 52.9)
-
Step 800
800 (this color)
#645146
oklch(45.1% 0.031 51.7)
-
Step 900
900
#4C3E36
oklch(37.6% 0.024 51.4)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#645146 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) | #565245 | 0.024 |
| Deuteranopia (no green cones) | #5B5646 | 0.021 |
| Tritanopia (no blue cones) | #6A4E4E | 0.021 |
| Achromatopsia (no color) | #555555 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645146
#645146
oklch(45.1% 0.031 51.7)
- #445964
#445964
oklch(45.1% 0.031 231.1)
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 #645146, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.057
- Milk Chocolate #7F4E1E ΔE 0.064
- Purple Brown #673A3F ΔE 0.064
- Mud Brown #60460F ΔE 0.065
- Medium Brown #7F5112 ΔE 0.071
- Olive Brown #645403 ΔE 0.072
- Dusty Grape #545775 ΔE 0.075
- Dim Gray #696969 ΔE 0.076
Use #645146 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.