#7978CD
Closest named color: Medium Purple (#9370DB). oklch(61.1% 0.127 282.5), rgb(121, 120, 205).
Aa
Black text reads best on this color (5.38:1).
About this color
#7978CD is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.127 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.049 away. Black text reads best on it, at 5.38:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.38:1 |
| White text | 3.90:1 |
Values
| HEX | #7978CD |
| RGB | rgb(121, 120, 205) |
| HSL | hsl(241, 46%, 64%) |
| OKLCH | oklch(61.1% 0.127 282.5) |
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 #7978CD | 3.90:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #7978CD | 5.38:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #7978CD text on white | 3.90:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #7978CD text on black | 5.38:1 | AA | Lc -35.3 | 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
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#BABCE8
oklch(80.8% 0.062 282.9)
-
Step 400
400
#9799DD
oklch(70.7% 0.099 282.3)
-
Step 500
500 (this color)
#7978CD
oklch(61.1% 0.127 282.5)
-
Step 600
600
#6966C1
oklch(55.7% 0.138 282.4)
-
Step 700
700
#5854A6
oklch(49.1% 0.128 282.8)
-
Step 800
800
#474587
oklch(42.6% 0.107 282.2)
-
Step 900
900
#3C3B6C
oklch(37.8% 0.082 282.6)
-
Step 950
950
#23233F
oklch(27.1% 0.051 282.4)
#7978CD 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) | #5A84D0 | 0.046 |
| Deuteranopia (no green cones) | #567ECB | 0.046 |
| Tritanopia (no blue cones) | #608999 | 0.109 |
| Achromatopsia (no color) | #818181 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7978CD
#7978CD
oklch(61.1% 0.127 282.5)
- #938605
#938605
oklch(61.3% 0.127 102.5)
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 #7978CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.049
- Deep Lilac #966EBD ΔE 0.052
- Soft Blue #6488EA ΔE 0.057
- Cornflower #6A79F7 ΔE 0.066
- Medium Slate Blue #7B68EE ΔE 0.068
- Faded Blue #658CBB ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.070
- Deep Lavender #8D5EB7 ΔE 0.071
Use #7978CD 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.