#6C78CA
Closest named color: Soft Blue (#6488EA). oklch(60% 0.125 275.7), rgb(108, 120, 202).
Aa
Black text reads best on this color (5.17:1).
About this color
#6C78CA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.125 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.057 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #6C78CA |
| RGB | rgb(108, 120, 202) |
| HSL | hsl(232, 47%, 61%) |
| OKLCH | oklch(60% 0.125 275.7) |
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 #6C78CA | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #6C78CA | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #6C78CA text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #6C78CA text on black | 5.17:1 | AA | Lc -34.0 | 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
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F0
oklch(88.5% 0.034 274.5)
-
Step 300
300
#B5BEE9
oklch(80.9% 0.062 275.7)
-
Step 400
400
#8F9BDE
oklch(70.6% 0.099 275.8)
-
Step 500
500 (this color)
#6C78CA
oklch(60% 0.125 275.7)
-
Step 600
600
#5E69C2
oklch(55.5% 0.137 275.7)
-
Step 700
700
#4E57A7
oklch(49% 0.127 275.8)
-
Step 800
800
#404887
oklch(42.7% 0.104 275.6)
-
Step 900
900
#363D6C
oklch(37.8% 0.081 275.5)
-
Step 950
950
#1F243F
oklch(27% 0.051 274.5)
#6C78CA 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) | #5982CD | 0.032 |
| Deuteranopia (no green cones) | #517AC8 | 0.033 |
| Tritanopia (no blue cones) | #4A8997 | 0.111 |
| Achromatopsia (no color) | #7E7E7E | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C78CA
#6C78CA
oklch(60% 0.125 275.7)
- #977F00
#977F00
oklch(60.1% 0.124 95.7)
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 #6C78CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.057
- Cool Blue #4984B8 ΔE 0.061
- Windows Blue #3778BF ΔE 0.061
- Steel Blue #4682B4 ΔE 0.064
- Faded Blue #658CBB ΔE 0.065
- Off Blue #5684AE ΔE 0.066
- Deep Lilac #966EBD ΔE 0.067
- Medium Purple #9370DB ΔE 0.067
Use #6C78CA 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.