#7C78DD
Closest named color: Medium Purple (#9370DB). oklch(62.3% 0.149 283), rgb(124, 120, 221).
Aa
Black text reads best on this color (5.58:1).
About this color
#7C78DD is a medium-light, vivid purple. In OKLCH its lightness is 62%, its chroma 0.149 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.038 away. Black text reads best on it, at 5.58:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #7C78DD |
| RGB | rgb(124, 120, 221) |
| HSL | hsl(242, 60%, 67%) |
| OKLCH | oklch(62.3% 0.149 283) |
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 #7C78DD | 3.75:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #7C78DD | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #7C78DD text on white | 3.75:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #7C78DD text on black | 5.58:1 | AA | Lc -36.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#B9BBEF
oklch(80.8% 0.073 282.9)
-
Step 400
400
#9697E7
oklch(70.8% 0.116 282.5)
-
Step 500
500 (this color)
#7C78DD
oklch(62.3% 0.149 283)
-
Step 600
600
#6961CE
oklch(55.6% 0.163 283)
-
Step 700
700
#5850B2
oklch(49.2% 0.151 283)
-
Step 800
800
#474290
oklch(42.7% 0.125 282.6)
-
Step 900
900
#3B3973
oklch(37.8% 0.097 282.3)
-
Step 950
950
#232243
oklch(27.1% 0.06 283)
#7C78DD 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) | #5087E1 | 0.060 |
| Deuteranopia (no green cones) | #4B80DB | 0.060 |
| Tritanopia (no blue cones) | #5D8DA0 | 0.128 |
| Achromatopsia (no color) | #848484 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C78DD
#7C78DD
oklch(62.3% 0.149 283)
- #968900
#968900
oklch(62.2% 0.131 102.8)
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 #7C78DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.038
- Cornflower #6A79F7 ΔE 0.045
- Soft Blue #6488EA ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.059
- Periwinkle #8E82FE ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.061
- Deep Lilac #966EBD ΔE 0.062
Use #7C78DD 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.