#64375B
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.082 334.8), rgb(100, 55, 91).
Aa
White text reads best on this color (9.37:1).
About this color
#64375B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.051 away. White text reads best on it, at 9.37:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.37:1 |
Values
| HEX | #64375B |
| RGB | rgb(100, 55, 91) |
| HSL | hsl(312, 29%, 30%) |
| OKLCH | oklch(40.6% 0.082 334.8) |
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 #64375B | 9.37:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #64375B | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #64375B text on white | 9.37:1 | AAA | Lc 91.4 | Preferred for body text |
| #64375B text on black | 2.23:1 | Fails | Lc -10.9 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7EE
oklch(93.7% 0.013 333)
-
Step 200
200
#E5D3E0
oklch(88.5% 0.026 335.5)
-
Step 300
300
#D5B5CD
oklch(80.8% 0.049 334.9)
-
Step 400
400
#BF8FB4
oklch(70.8% 0.076 334.7)
-
Step 500
500
#AE72A1
oklch(63% 0.098 334.9)
-
Step 600
600
#995A8C
oklch(55.6% 0.106 334.9)
-
Step 700
700
#834A77
oklch(49.2% 0.099 335.2)
-
Step 800
800 (this color)
#64375B
oklch(40.6% 0.082 334.8)
-
Step 900
900
#56344F
oklch(37.6% 0.064 334.6)
-
Step 950
950
#331F2E
oklch(27.1% 0.04 336.2)
#64375B 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) | #37425C | 0.082 |
| Deuteranopia (no green cones) | #43495A | 0.075 |
| Tritanopia (no blue cones) | #683945 | 0.040 |
| Achromatopsia (no color) | #464646 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64375B
#64375B
oklch(40.6% 0.082 334.8)
- #1C5635
#1C5635
oklch(40.6% 0.082 155)
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 #64375B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.051
- Brownish Purple #76424E ΔE 0.058
- Grape Purple #5D1451 ΔE 0.079
- Velvet #750851 ΔE 0.080
- Rich Purple #720058 ΔE 0.087
- Red Purple #820747 ΔE 0.088
- Dusty Grape #545775 ΔE 0.090
- Wine #80013F ΔE 0.092
Use #64375B 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.