#6C78F7
Closest named color: Cornflower (#6A79F7). oklch(62.8% 0.187 275.5), rgb(108, 120, 247).
Aa
Black text reads best on this color (5.66:1).
About this color
#6C78F7 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.187 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.003 away. Black text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #6C78F7 |
| RGB | rgb(108, 120, 247) |
| HSL | hsl(235, 90%, 70%) |
| OKLCH | oklch(62.8% 0.187 275.5) |
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 #6C78F7 | 3.70:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #6C78F7 | 5.66:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #6C78F7 text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #6C78F7 text on black | 5.66:1 | AA | Lc -37.3 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFC
oklch(80.9% 0.092 275.9)
-
Step 400
400
#8897FB
oklch(70.8% 0.147 275.6)
-
Step 500
500 (this color)
#6C78F7
oklch(62.8% 0.187 275.5)
-
Step 600
600
#575EE7
oklch(55.6% 0.204 275.4)
-
Step 700
700
#484CC9
oklch(49.1% 0.19 275.5)
-
Step 800
800
#3B3FA2
oklch(42.6% 0.157 275.7)
-
Step 900
900
#323781
oklch(37.7% 0.123 275.9)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#6C78F7 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) | #308BFB | 0.065 |
| Deuteranopia (no green cones) | #0F7FF4 | 0.071 |
| Tritanopia (no blue cones) | #1595AC | 0.165 |
| Achromatopsia (no color) | #858585 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C78F7
#6C78F7
oklch(62.8% 0.187 275.5)
- #A08700
#A08700
oklch(62.8% 0.129 95.9)
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 #6C78F7, closest first.
No curated palette has a color within ΔE 0.04 of #6C78F7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.003
- Medium Slate Blue #7B68EE ΔE 0.041
- Soft Blue #6488EA ΔE 0.047
- Periwinkle #8E82FE ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.062
- Clear Blue #247AFD ΔE 0.065
- Medium Purple #9370DB ΔE 0.070
- Royal Blue #4169E1 ΔE 0.074
Use #6C78F7 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.