#781B78
Closest named color: Purple (#800080). oklch(41.6% 0.165 328.1), rgb(120, 27, 120).
Aa
White text reads best on this color (9.43:1).
About this color
#781B78 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.165 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.028 away. White text reads best on it, at 9.43:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 2.22:1 |
| White text | 9.43:1 |
Values
| HEX | #781B78 |
| RGB | rgb(120, 27, 120) |
| HSL | hsl(300, 63%, 29%) |
| OKLCH | oklch(41.6% 0.165 328.1) |
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 #781B78 | 9.43:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #781B78 | 2.22:1 | Fails | Lc 13.3 | Not readable |
| #781B78 text on white | 9.43:1 | AAA | Lc 90.6 | Preferred for body text |
| #781B78 text on black | 2.22:1 | Fails | Lc -11.7 | 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
#FBF3FA
oklch(97.2% 0.013 329.6)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EDCDEB
oklch(88.4% 0.053 328)
-
Step 300
300
#E3ABE0
oklch(81% 0.095 328.2)
-
Step 400
400
#D37BD1
oklch(70.7% 0.154 327.9)
-
Step 500
500
#C653C4
oklch(63.1% 0.198 328.3)
-
Step 600
600
#B131B1
oklch(55.6% 0.215 328)
-
Step 700
700
#982198
oklch(49.1% 0.2 328.1)
-
Step 800
800 (this color)
#781B78
oklch(41.6% 0.165 328.1)
-
Step 900
900
#642163
oklch(37.8% 0.129 328.4)
-
Step 950
950
#3B153A
oklch(27.1% 0.081 328.6)
#781B78 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) | #053E7A | 0.179 |
| Deuteranopia (no green cones) | #354A76 | 0.149 |
| Tritanopia (no blue cones) | #7C2A48 | 0.093 |
| Achromatopsia (no color) | #464646 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #781B78
#781B78
oklch(41.6% 0.165 328.1)
- #005D21
#005D21
oklch(41.7% 0.121 147.9)
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 #781B78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.028
- Dark Magenta #8B008B ΔE 0.050
- Rich Purple #720058 ΔE 0.059
- Velvet #750851 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.074
- Warm Purple #952E8F ΔE 0.077
- Red Violet #9E0168 ΔE 0.085
- Red Purple #820747 ΔE 0.085
Use #781B78 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.