#78639D
Closest named color: Dark Lavender (#856798). oklch(54.4% 0.091 300), rgb(120, 99, 157).
Aa
White text reads best on this color (5.15:1).
About this color
#78639D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.091 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.027 away. White text reads best on it, at 5.15:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #78639D |
| RGB | rgb(120, 99, 157) |
| HSL | hsl(262, 23%, 50%) |
| OKLCH | oklch(54.4% 0.091 300) |
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 #78639D | 5.15:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #78639D | 4.07:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #78639D text on white | 5.15:1 | AA | Lc 75.5 | Fine for body text |
| #78639D text on black | 4.07:1 | AA large text | Lc -26.2 | Dividers and decoration only |
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 600.
-
Step 50
50
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DBD6E6
oklch(88.5% 0.022 300.2)
-
Step 300
300
#C4BBD8
oklch(80.9% 0.041 299.6)
-
Step 400
400
#A798C4
oklch(70.8% 0.065 300.3)
-
Step 500
500
#917EB5
oklch(63.1% 0.084 299.9)
-
Step 600
600 (this color)
#78639D
oklch(54.4% 0.091 300)
-
Step 700
700
#68558A
oklch(49.1% 0.085 299.8)
-
Step 800
800
#554670
oklch(42.8% 0.07 299.9)
-
Step 900
900
#463B5A
oklch(37.7% 0.054 300.1)
-
Step 950
950
#292335
oklch(27.1% 0.034 299.4)
#78639D 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) | #556D9F | 0.055 |
| Deuteranopia (no green cones) | #596D9B | 0.052 |
| Tritanopia (no blue cones) | #716C79 | 0.071 |
| Achromatopsia (no color) | #6D6D6D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78639D
#78639D
oklch(54.4% 0.091 300)
- #697737
#697737
oklch(54.3% 0.09 119.7)
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 #78639D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.027
- Dusty Purple #825F87 ΔE 0.037
- Muted Purple #805B87 ΔE 0.037
- Grey Purple #826D8C ΔE 0.048
- Dull Purple #84597E ΔE 0.052
- Faded Purple #916E99 ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.057
- Dusky Purple #895B7B ΔE 0.058
Use #78639D 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.