#6776CD
Closest named color: Windows Blue (#3778BF). oklch(59.4% 0.133 274.3), rgb(103, 118, 205).
Aa
Black text reads best on this color (5.04:1).
About this color
#6776CD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.133 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.057 away. Black text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.04:1 |
| White text | 4.15:1 |
Values
| HEX | #6776CD |
| RGB | rgb(103, 118, 205) |
| HSL | hsl(231, 50%, 60%) |
| OKLCH | oklch(59.4% 0.133 274.3) |
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 #6776CD | 4.15:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #6776CD | 5.04:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #6776CD text on white | 4.15:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #6776CD text on black | 5.04:1 | AA | Lc -33.2 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B3BEEB
oklch(80.8% 0.065 274.1)
-
Step 400
400
#8D9BE2
oklch(70.6% 0.105 274.9)
-
Step 500
500 (this color)
#6776CD
oklch(59.4% 0.133 274.3)
-
Step 600
600
#5B69C7
oklch(55.6% 0.145 274.3)
-
Step 700
700
#4B57AC
oklch(49.1% 0.135 274.3)
-
Step 800
800
#3D488B
oklch(42.8% 0.111 273.8)
-
Step 900
900
#343D6F
oklch(37.8% 0.086 273.9)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#6776CD 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) | #5381D0 | 0.034 |
| Deuteranopia (no green cones) | #4978CB | 0.035 |
| Tritanopia (no blue cones) | #3D8897 | 0.118 |
| Achromatopsia (no color) | #7C7C7C | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6776CD
#6776CD
oklch(59.4% 0.133 274.3)
- #967C00
#967C00
oklch(59.3% 0.122 94.2)
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 #6776CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.057
- Soft Blue #6488EA ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.060
- Cornflower #6A79F7 ΔE 0.063
- Cool Blue #4984B8 ΔE 0.064
- Steel Blue #4682B4 ΔE 0.066
- Royal Blue #4169E1 ΔE 0.068
- Medium Slate Blue #7B68EE ΔE 0.069
Use #6776CD 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.