#644152
Closest named color: Purple Brown (#673A3F). oklch(42.1% 0.054 349.1), rgb(100, 65, 82).
Aa
White text reads best on this color (8.67:1).
About this color
#644152 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.054 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.031 away. White text reads best on it, at 8.67:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.41:1 |
| White text | 8.67:1 |
Values
| HEX | #644152 |
| RGB | rgb(100, 65, 82) |
| HSL | hsl(331, 21%, 32%) |
| OKLCH | oklch(42.1% 0.054 349.1) |
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 #644152 | 8.67:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #644152 | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #644152 text on white | 8.67:1 | AAA | Lc 89.7 | Fine for body text |
| #644152 text on black | 2.41:1 | Fails | Lc -12.6 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D5DB
oklch(88.6% 0.017 349.5)
-
Step 300
300
#D1B9C4
oklch(80.9% 0.031 348.4)
-
Step 400
400
#BA94A6
oklch(70.7% 0.052 348.4)
-
Step 500
500
#A87A90
oklch(63.2% 0.064 348.8)
-
Step 600
600
#93627A
oklch(55.6% 0.071 348.8)
-
Step 700
700
#7D5167
oklch(49.1% 0.066 348.4)
-
Step 800
800 (this color)
#644152
oklch(42.1% 0.054 349.1)
-
Step 900
900
#533845
oklch(37.6% 0.043 349)
-
Step 950
950
#312128
oklch(27% 0.027 351.1)
#644152 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) | #444853 | 0.058 |
| Deuteranopia (no green cones) | #4C4E51 | 0.055 |
| Tritanopia (no blue cones) | #694047 | 0.019 |
| Achromatopsia (no color) | #4B4B4B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644152
#644152
oklch(42.1% 0.054 349.1)
- #2C5748
#2C5748
oklch(42.1% 0.055 168.9)
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 #644152, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Brownish Purple #76424E ΔE 0.036
- Dusty Grape #545775 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.078
- Dark Mauve #874C62 ΔE 0.078
- Dusk #4E5481 ΔE 0.086
- YInMn Blue #415A77 ΔE 0.091
- Dark Slate Gray #2F4F4F ΔE 0.092
Use #644152 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.