#6779C2
Closest named color: Cool Blue (#4984B8). oklch(59.4% 0.114 272.1), rgb(103, 121, 194).
Aa
Black text reads best on this color (5.09:1).
About this color
#6779C2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.048 away. Black text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #6779C2 |
| RGB | rgb(103, 121, 194) |
| HSL | hsl(228, 43%, 58%) |
| OKLCH | oklch(59.4% 0.114 272.1) |
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 #6779C2 | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #6779C2 | 5.09:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #6779C2 text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #6779C2 text on black | 5.09:1 | AA | Lc -33.4 | 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
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B4BFE5
oklch(80.9% 0.055 272.4)
-
Step 400
400
#8D9DD9
oklch(70.6% 0.09 272.4)
-
Step 500
500 (this color)
#6779C2
oklch(59.4% 0.114 272.1)
-
Step 600
600
#5B6DBB
oklch(55.7% 0.123 272.1)
-
Step 700
700
#4B5AA1
oklch(49% 0.115 272.5)
-
Step 800
800
#3D4A83
oklch(42.7% 0.096 272.1)
-
Step 900
900
#343E69
oklch(37.6% 0.075 272.4)
-
Step 950
950
#1E253D
oklch(27% 0.046 270.7)
#6779C2 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) | #5E81C5 | 0.022 |
| Deuteranopia (no green cones) | #5579C0 | 0.022 |
| Tritanopia (no blue cones) | #458894 | 0.101 |
| Achromatopsia (no color) | #7D7D7D | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6779C2
#6779C2
oklch(59.4% 0.114 272.1)
- #977C19
#977C19
oklch(59.5% 0.114 92.3)
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 #6779C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.048
- Steel Blue #4682B4 ΔE 0.051
- Windows Blue #3778BF ΔE 0.052
- Off Blue #5684AE ΔE 0.052
- Dusty Blue #5A86AD ΔE 0.057
- Faded Blue #658CBB ΔE 0.057
- Soft Blue #6488EA ΔE 0.066
- Flat Blue #3C73A8 ΔE 0.068
Use #6779C2 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.