#644369
Closest named color: Brownish Purple (#76424E). oklch(43.5% 0.073 322.1), rgb(100, 67, 105).
Aa
White text reads best on this color (8.23:1).
About this color
#644369 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.073 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.055 away. White text reads best on it, at 8.23:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.54:1 |
| White text | 8.23:1 |
Values
| HEX | #644369 |
| RGB | rgb(100, 67, 105) |
| HSL | hsl(292, 22%, 34%) |
| OKLCH | oklch(43.5% 0.073 322.1) |
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 #644369 | 8.23:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #644369 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #644369 text on white | 8.23:1 | AAA | Lc 88.4 | Fine for body text |
| #644369 text on black | 2.54:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E1D4E3
oklch(88.5% 0.025 321.7)
-
Step 300
300
#CEB8D1
oklch(80.9% 0.042 322.2)
-
Step 400
400
#B593BA
oklch(70.7% 0.068 322)
-
Step 500
500
#A378A9
oklch(63.2% 0.087 322.3)
-
Step 600
600
#8D6094
oklch(55.6% 0.094 322)
-
Step 700
700
#784F7E
oklch(49.1% 0.088 322.2)
-
Step 800
800 (this color)
#644369
oklch(43.5% 0.073 322.1)
-
Step 900
900
#503754
oklch(37.7% 0.058 321.8)
-
Step 950
950
#2F2031
oklch(26.9% 0.037 322.5)
#644369 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) | #3F4C6A | 0.064 |
| Deuteranopia (no green cones) | #475068 | 0.059 |
| Tritanopia (no blue cones) | #654751 | 0.045 |
| Achromatopsia (no color) | #4F4F4F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644369
#644369
oklch(43.5% 0.073 322.1)
- #395B35
#395B35
oklch(43.4% 0.073 141.8)
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 #644369, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.055
- Dusty Grape #545775 ΔE 0.059
- Dusk #4E5481 ΔE 0.062
- Purple Brown #673A3F ΔE 0.067
- Twilight #4E518B ΔE 0.068
- Dark Mauve #874C62 ΔE 0.076
- YInMn Blue #415A77 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.081
Use #644369 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.