#64334D
Closest named color: Purple Brown (#673A3F). oklch(39.3% 0.078 348.2), rgb(100, 51, 77).
Aa
White text reads best on this color (9.89:1).
About this color
#64334D is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.078 and its hue 348°. 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 9.89:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #64334D |
| RGB | rgb(100, 51, 77) |
| HSL | hsl(328, 32%, 30%) |
| OKLCH | oklch(39.3% 0.078 348.2) |
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 #64334D | 9.89:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #64334D | 2.12:1 | Fails | Lc 11.3 | Not readable |
| #64334D text on white | 9.89:1 | AAA | Lc 92.7 | Preferred for body text |
| #64334D text on black | 2.12:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E5EC
oklch(93.5% 0.018 345.6)
-
Step 200
200
#EBD1DD
oklch(88.6% 0.033 348.2)
-
Step 300
300
#DFB2C7
oklch(81% 0.059 348.8)
-
Step 400
400
#CD88AB
oklch(70.7% 0.095 348)
-
Step 500
500
#BE6996
oklch(63.1% 0.121 348.1)
-
Step 600
600
#A94F80
oklch(55.5% 0.131 348.4)
-
Step 700
700
#91406C
oklch(49.2% 0.121 348.7)
-
Step 800
800
#763558
oklch(42.7% 0.101 348.7)
-
Step 900
900 (this color)
#64334D
oklch(39.3% 0.078 348.2)
-
Step 950
950
#381C2B
oklch(27.1% 0.049 347.6)
#64334D 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) | #383E4E | 0.083 |
| Deuteranopia (no green cones) | #44464C | 0.077 |
| Tritanopia (no blue cones) | #6A323D | 0.029 |
| Achromatopsia (no color) | #434343 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64334D
#64334D
oklch(39.3% 0.078 348.2)
- #02533E
#02533E
oklch(39.3% 0.078 168.4)
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 #64334D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Brownish Purple #76424E ΔE 0.057
- Grape Purple #5D1451 ΔE 0.074
- Velvet #750851 ΔE 0.076
- Merlot #730039 ΔE 0.079
- Red Purple #820747 ΔE 0.081
- Wine #80013F ΔE 0.082
- Bordeaux #7B002C ΔE 0.085
Use #64334D 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.