#7978D2
Closest named color: Medium Purple (#9370DB). oklch(61.4% 0.134 282.2), rgb(121, 120, 210).
Aa
Black text reads best on this color (5.43:1).
About this color
#7978D2 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.134 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.046 away. Black text reads best on it, at 5.43:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #7978D2 |
| RGB | rgb(121, 120, 210) |
| HSL | hsl(241, 50%, 65%) |
| OKLCH | oklch(61.4% 0.134 282.2) |
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 #7978D2 | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #7978D2 | 5.43:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #7978D2 text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #7978D2 text on black | 5.43:1 | AA | Lc -35.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D5D7F1
oklch(88.6% 0.036 282.1)
-
Step 300
300
#B9BCEB
oklch(80.9% 0.066 281.9)
-
Step 400
400
#9698E0
oklch(70.6% 0.105 282.1)
-
Step 500
500 (this color)
#7978D2
oklch(61.4% 0.134 282.2)
-
Step 600
600
#6865C5
oklch(55.7% 0.145 282)
-
Step 700
700
#5753AA
oklch(49.1% 0.135 282.3)
-
Step 800
800
#47448A
oklch(42.6% 0.113 282.4)
-
Step 900
900
#3B3A6E
oklch(37.6% 0.087 282.2)
-
Step 950
950
#222241
oklch(26.9% 0.057 281.9)
#7978D2 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) | #5785D5 | 0.050 |
| Deuteranopia (no green cones) | #527ED0 | 0.050 |
| Tritanopia (no blue cones) | #5D8A9B | 0.116 |
| Achromatopsia (no color) | #828282 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7978D2
#7978D2
oklch(61.4% 0.134 282.2)
- #948600
#948600
oklch(61.3% 0.128 102.1)
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 #7978D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.046
- Soft Blue #6488EA ΔE 0.053
- Deep Lilac #966EBD ΔE 0.055
- Cornflower #6A79F7 ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.067
- Lavender Blue #8B88F8 ΔE 0.071
- Dark Periwinkle #665FD1 ΔE 0.072
Use #7978D2 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.