#644D4A
Closest named color: Brownish Purple (#76424E). oklch(44.3% 0.032 27), rgb(100, 77, 74).
Aa
White text reads best on this color (7.77:1).
About this color
#644D4A is a dark, muted red. In OKLCH its lightness is 44%, its chroma 0.032 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.045 away. White text reads best on it, at 7.77:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #644D4A |
| RGB | rgb(100, 77, 74) |
| HSL | hsl(7, 15%, 34%) |
| OKLCH | oklch(44.3% 0.032 27) |
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 #644D4A | 7.77:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #644D4A | 2.70:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #644D4A text on white | 7.77:1 | AAA | Lc 87.0 | Fine for body text |
| #644D4A text on black | 2.70:1 | Fails | Lc -15.1 | 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
#EDE8E8
oklch(93.5% 0.005 17.3)
-
Step 200
200
#E0D7D5
oklch(88.6% 0.01 32.5)
-
Step 300
300
#CCBCBA
oklch(80.8% 0.018 26.1)
-
Step 400
400
#B39A97
oklch(70.8% 0.03 26)
-
Step 500
500
#9F817D
oklch(63% 0.038 27)
-
Step 600
600
#8A6A66
oklch(55.5% 0.042 26.7)
-
Step 700
700
#755955
oklch(49.2% 0.038 27.8)
-
Step 800
800 (this color)
#644D4A
oklch(44.3% 0.032 27)
-
Step 900
900
#4E3D3A
oklch(37.7% 0.025 29.8)
-
Step 950
950
#2E2422
oklch(27.1% 0.016 31.3)
#644D4A 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) | #52504A | 0.031 |
| Deuteranopia (no green cones) | #57544A | 0.029 |
| Tritanopia (no blue cones) | #694A4C | 0.013 |
| Achromatopsia (no color) | #525252 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644D4A
#644D4A
oklch(44.3% 0.032 27)
- #3F595C
#3F595C
oklch(44.4% 0.032 205)
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 #644D4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.045
- Purple Brown #673A3F ΔE 0.051
- Dusty Grape #545775 ΔE 0.069
- Mud Brown #60460F ΔE 0.071
- Milk Chocolate #7F4E1E ΔE 0.072
- Dark Mauve #874C62 ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.080
- Slate #516572 ΔE 0.080
Use #644D4A 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.