#6D78D2
Closest named color: Soft Blue (#6488EA). oklch(60.5% 0.136 276.3), rgb(109, 120, 210).
Aa
Black text reads best on this color (5.26:1).
About this color
#6D78D2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.136 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.050 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #6D78D2 |
| RGB | rgb(109, 120, 210) |
| HSL | hsl(233, 53%, 63%) |
| OKLCH | oklch(60.5% 0.136 276.3) |
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 #6D78D2 | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #6D78D2 | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #6D78D2 text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #6D78D2 text on black | 5.26:1 | AA | Lc -34.6 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300
#B5BEEC
oklch(81% 0.066 276.2)
-
Step 400
400
#8F9AE3
oklch(70.6% 0.107 276.7)
-
Step 500
500 (this color)
#6D78D2
oklch(60.5% 0.136 276.3)
-
Step 600
600
#5E67C8
oklch(55.5% 0.149 276.4)
-
Step 700
700
#4E56AD
oklch(49.2% 0.137 276.2)
-
Step 800
800
#40468C
oklch(42.6% 0.114 276.7)
-
Step 900
900
#363C70
oklch(37.8% 0.088 276.3)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#6D78D2 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) | #5484D5 | 0.039 |
| Deuteranopia (no green cones) | #4B7BD0 | 0.040 |
| Tritanopia (no blue cones) | #478B9B | 0.120 |
| Achromatopsia (no color) | #7F7F7F | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D78D2
#6D78D2
oklch(60.5% 0.136 276.3)
- #988100
#988100
oklch(60.6% 0.125 96.5)
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 #6D78D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.050
- Cornflower #6A79F7 ΔE 0.056
- Medium Purple #9370DB ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.067
- Windows Blue #3778BF ΔE 0.068
- Deep Lilac #966EBD ΔE 0.069
Use #6D78D2 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.