#644E48
Closest named color: Brownish Purple (#76424E). oklch(44.5% 0.031 35.7), rgb(100, 78, 72).
Aa
White text reads best on this color (7.70:1).
About this color
#644E48 is a dark, muted red. In OKLCH its lightness is 44%, its chroma 0.031 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.049 away. White text reads best on it, at 7.70:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #644E48 |
| RGB | rgb(100, 78, 72) |
| HSL | hsl(13, 16%, 34%) |
| OKLCH | oklch(44.5% 0.031 35.7) |
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 #644E48 | 7.70:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #644E48 | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #644E48 text on white | 7.70:1 | AAA | Lc 86.7 | Fine for body text |
| #644E48 text on black | 2.72:1 | Fails | Lc -15.3 | 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
#E0D7D4
oklch(88.5% 0.011 39.4)
-
Step 300
300
#CCBDB9
oklch(81% 0.018 35.3)
-
Step 400
400
#B29B94
oklch(70.8% 0.029 37.6)
-
Step 500
500
#9F827A
oklch(63.2% 0.038 35.9)
-
Step 600
600
#896B63
oklch(55.5% 0.041 35.4)
-
Step 700
700
#755952
oklch(49.1% 0.039 34.4)
-
Step 800
800 (this color)
#644E48
oklch(44.5% 0.031 35.7)
-
Step 900
900
#4E3D39
oklch(37.7% 0.025 33.5)
-
Step 950
950
#2E2421
oklch(27.1% 0.016 37.3)
#644E48 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) | #535048 | 0.029 |
| Deuteranopia (no green cones) | #585548 | 0.028 |
| Tritanopia (no blue cones) | #694B4C | 0.015 |
| Achromatopsia (no color) | #535353 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644E48
#644E48
oklch(44.5% 0.031 35.7)
- #40595F
#40595F
oklch(44.6% 0.032 214.2)
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 #644E48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.049
- Purple Brown #673A3F ΔE 0.054
- Mud Brown #60460F ΔE 0.068
- Milk Chocolate #7F4E1E ΔE 0.069
- Dusty Grape #545775 ΔE 0.072
- Medium Brown #7F5112 ΔE 0.078
- Dark Mauve #874C62 ΔE 0.079
- Slate #516572 ΔE 0.080
Use #644E48 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.