#6B78FC
Closest named color: Cornflower (#6A79F7). oklch(63.1% 0.194 275.1), rgb(107, 120, 252).
Aa
Black text reads best on this color (5.71:1).
About this color
#6B78FC is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.194 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.008 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #6B78FC |
| RGB | rgb(107, 120, 252) |
| HSL | hsl(235, 96%, 70%) |
| OKLCH | oklch(63.1% 0.194 275.1) |
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 #6B78FC | 3.67:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #6B78FC | 5.71:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #6B78FC text on white | 3.67:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #6B78FC text on black | 5.71:1 | AA | Lc -37.7 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FD
oklch(88.4% 0.053 274.8)
-
Step 300
300
#AEBCFE
oklch(80.8% 0.095 274.8)
-
Step 400
400
#8696FE
oklch(70.6% 0.152 275.2)
-
Step 500
500 (this color)
#6B78FC
oklch(63.1% 0.194 275.1)
-
Step 600
600
#565CEB
oklch(55.5% 0.211 275.3)
-
Step 700
700
#474BCD
oklch(49.2% 0.196 275.1)
-
Step 800
800
#3A3EA5
oklch(42.6% 0.162 275.4)
-
Step 900
900
#313783
oklch(37.8% 0.126 275.2)
-
Step 950
950
#1C214D
oklch(27.1% 0.08 274.8)
#6B78FC 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) | #278CFF | 0.068 |
| Deuteranopia (no green cones) | #007FF9 | 0.072 |
| Tritanopia (no blue cones) | #0096AF | 0.169 |
| Achromatopsia (no color) | #858585 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B78FC
#6B78FC
oklch(63.1% 0.194 275.1)
- #A28700
#A28700
oklch(63% 0.129 94.8)
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 #6B78FC, closest first.
No curated palette has a color within ΔE 0.04 of #6B78FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.008
- Medium Slate Blue #7B68EE ΔE 0.044
- Soft Blue #6488EA ΔE 0.051
- Periwinkle #8E82FE ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.063
- Clear Blue #247AFD ΔE 0.063
- Medium Purple #9370DB ΔE 0.075
- Dodger Blue #1E90FF ΔE 0.076
Use #6B78FC 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.