#644130
Closest named color: Purple Brown (#673A3F). oklch(41.1% 0.056 46.6), rgb(100, 65, 48).
Aa
White text reads best on this color (8.97:1).
About this color
#644130 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.056 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 8.97:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.34:1 |
| White text | 8.97:1 |
Values
| HEX | #644130 |
| RGB | rgb(100, 65, 48) |
| HSL | hsl(20, 35%, 29%) |
| OKLCH | oklch(41.1% 0.056 46.6) |
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 #644130 | 8.97:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #644130 | 2.34:1 | Fails | Lc 13.5 | Not readable |
| #644130 text on white | 8.97:1 | AAA | Lc 90.5 | Preferred for body text |
| #644130 text on black | 2.34:1 | Fails | Lc -11.8 | Not readable |
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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E4D6CF
oklch(88.5% 0.018 48.5)
-
Step 300
300
#D3BBAF
oklch(80.9% 0.032 48.3)
-
Step 400
400
#BD9785
oklch(70.7% 0.053 46.7)
-
Step 500
500
#AC7D67
oklch(63.1% 0.067 46.1)
-
Step 600
600
#97664E
oklch(55.6% 0.073 46.9)
-
Step 700
700
#81543F
oklch(49% 0.068 45.7)
-
Step 800
800 (this color)
#644130
oklch(41.1% 0.056 46.6)
-
Step 900
900
#553A2E
oklch(37.6% 0.043 44.9)
-
Step 950
950
#32221B
oklch(26.9% 0.028 44.6)
#644130 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) | #4A452F | 0.048 |
| Deuteranopia (no green cones) | #534C30 | 0.043 |
| Tritanopia (no blue cones) | #6C3B3D | 0.034 |
| Achromatopsia (no color) | #494949 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644130
#644130
oklch(41.1% 0.056 46.6)
- #255162
#255162
oklch(41.1% 0.056 225.9)
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 #644130, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Mud Brown #60460F ΔE 0.045
- Brownish Purple #76424E ΔE 0.059
- Chestnut #742802 ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.072
- Green Brown #544E03 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.074
- Olive Brown #645403 ΔE 0.079
Use #644130 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.