#644552
Closest named color: Brownish Purple (#76424E). oklch(42.9% 0.047 352.4), rgb(100, 69, 82).
Aa
White text reads best on this color (8.35:1).
About this color
#644552 is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.047 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.034 away. White text reads best on it, at 8.35:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #644552 |
| RGB | rgb(100, 69, 82) |
| HSL | hsl(335, 18%, 33%) |
| OKLCH | oklch(42.9% 0.047 352.4) |
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 #644552 | 8.35:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #644552 | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #644552 text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #644552 text on black | 2.51:1 | Fails | Lc -13.5 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E2D5DA
oklch(88.5% 0.016 352)
-
Step 300
300
#D0BAC2
oklch(81% 0.027 353.7)
-
Step 400
400
#B796A3
oklch(70.7% 0.043 352.6)
-
Step 500
500
#A57C8D
oklch(63.2% 0.056 352.1)
-
Step 600
600
#906577
oklch(55.7% 0.061 352.4)
-
Step 700
700
#7A5364
oklch(49% 0.057 351.6)
-
Step 800
800 (this color)
#644552
oklch(42.9% 0.047 352.4)
-
Step 900
900
#513A43
oklch(37.7% 0.035 353.6)
-
Step 950
950
#302227
oklch(27.1% 0.023 355.5)
#644552 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) | #484B52 | 0.050 |
| Deuteranopia (no green cones) | #4F5051 | 0.047 |
| Tritanopia (no blue cones) | #694449 | 0.016 |
| Achromatopsia (no color) | #4E4E4E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644552
#644552
oklch(42.9% 0.047 352.4)
- #33584D
#33584D
oklch(42.9% 0.047 173.1)
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 #644552, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.034
- Purple Brown #673A3F ΔE 0.036
- Dusty Grape #545775 ΔE 0.068
- Dark Mauve #874C62 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.078
- Dusk #4E5481 ΔE 0.083
- YInMn Blue #415A77 ΔE 0.085
- Dark Slate Gray #2F4F4F ΔE 0.087
Use #644552 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.