#6676CF
Closest named color: Soft Blue (#6488EA). oklch(59.5% 0.136 273.9), rgb(102, 118, 207).
Aa
Black text reads best on this color (5.05:1).
About this color
#6676CF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.136 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.056 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #6676CF |
| RGB | rgb(102, 118, 207) |
| HSL | hsl(231, 52%, 61%) |
| OKLCH | oklch(59.5% 0.136 273.9) |
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 #6676CF | 4.15:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #6676CF | 5.05:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #6676CF text on white | 4.15:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #6676CF text on black | 5.05:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B3BEED
oklch(80.9% 0.068 274.5)
-
Step 400
400
#8C9BE3
oklch(70.6% 0.107 274.4)
-
Step 500
500 (this color)
#6676CF
oklch(59.5% 0.136 273.9)
-
Step 600
600
#5A69C9
oklch(55.7% 0.148 273.9)
-
Step 700
700
#4A57AE
oklch(49.2% 0.138 273.8)
-
Step 800
800
#3C478D
oklch(42.6% 0.116 273.8)
-
Step 900
900
#333C70
oklch(37.6% 0.089 273.9)
-
Step 950
950
#1E2442
oklch(27.1% 0.056 273.5)
#6676CF 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) | #5181D2 | 0.034 |
| Deuteranopia (no green cones) | #4778CD | 0.035 |
| Tritanopia (no blue cones) | #398998 | 0.122 |
| Achromatopsia (no color) | #7C7C7C | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6676CF
#6676CF
oklch(59.5% 0.136 273.9)
- #977C00
#977C00
oklch(59.4% 0.122 93.6)
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 #6676CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.056
- Windows Blue #3778BF ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.059
- Cornflower #6A79F7 ΔE 0.061
- Cool Blue #4984B8 ΔE 0.065
- Royal Blue #4169E1 ΔE 0.066
- Medium Slate Blue #7B68EE ΔE 0.067
- Steel Blue #4682B4 ΔE 0.068
Use #6676CF 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.