#6B78FF
Closest named color: Cornflower (#6A79F7). oklch(63.3% 0.198 275.1), rgb(107, 120, 255).
Aa
Black text reads best on this color (5.75:1).
About this color
#6B78FF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.198 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.012 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #6B78FF |
| RGB | rgb(107, 120, 255) |
| HSL | hsl(235, 100%, 71%) |
| OKLCH | oklch(63.3% 0.198 275.1) |
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 #6B78FF | 3.64:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #6B78FF | 5.75:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #6B78FF text on white | 3.64:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #6B78FF text on black | 5.75:1 | AA | Lc -37.9 | 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
#CED7FE
oklch(88.5% 0.055 275)
-
Step 300
300
#AEBCFF
oklch(80.9% 0.096 274.9)
-
Step 400
400
#8696FF
oklch(70.7% 0.154 275.2)
-
Step 500
500 (this color)
#6B78FF
oklch(63.3% 0.198 275.1)
-
Step 600
600
#555BEE
oklch(55.5% 0.217 275)
-
Step 700
700
#464ACF
oklch(49.1% 0.2 274.9)
-
Step 800
800
#393EA7
oklch(42.7% 0.165 274.8)
-
Step 900
900
#303684
oklch(37.6% 0.129 275)
-
Step 950
950
#1C214E
oklch(27.1% 0.082 274.8)
#6B78FF 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) | #218CFF | 0.070 |
| Deuteranopia (no green cones) | #0080FC | 0.071 |
| Tritanopia (no blue cones) | #0097B0 | 0.173 |
| Achromatopsia (no color) | #868686 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B78FF
#6B78FF
oklch(63.3% 0.198 275.1)
- #A38800
#A38800
oklch(63.3% 0.13 94.9)
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 #6B78FF, closest first.
No curated palette has a color within ΔE 0.04 of #6B78FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.012
- Medium Slate Blue #7B68EE ΔE 0.046
- Soft Blue #6488EA ΔE 0.054
- Periwinkle #8E82FE ΔE 0.057
- Clear Blue #247AFD ΔE 0.063
- Lavender Blue #8B88F8 ΔE 0.064
- Dodger Blue #1E90FF ΔE 0.077
- Medium Purple #9370DB ΔE 0.078
Use #6B78FF 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.