#6078CF
Closest named color: Windows Blue (#3778BF). oklch(59.5% 0.136 270.2), rgb(96, 120, 207).
Aa
Black text reads best on this color (5.08:1).
About this color
#6078CF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.136 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.050 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #6078CF |
| RGB | rgb(96, 120, 207) |
| HSL | hsl(227, 54%, 59%) |
| OKLCH | oklch(59.5% 0.136 270.2) |
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 #6078CF | 4.12:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #6078CF | 5.08:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #6078CF text on white | 4.12:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #6078CF text on black | 5.08:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#B0BFEC
oklch(80.9% 0.066 270.5)
-
Step 400
400
#879DE3
oklch(70.7% 0.106 270.2)
-
Step 500
500 (this color)
#6078CF
oklch(59.5% 0.136 270.2)
-
Step 600
600
#536BC9
oklch(55.6% 0.148 270.2)
-
Step 700
700
#4459AE
oklch(49.2% 0.137 270.3)
-
Step 800
800
#38498D
oklch(42.8% 0.114 270.4)
-
Step 900
900
#303E70
oklch(37.8% 0.087 270)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#6078CF 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) | #5482D2 | 0.028 |
| Deuteranopia (no green cones) | #4778CD | 0.028 |
| Tritanopia (no blue cones) | #288B99 | 0.122 |
| Achromatopsia (no color) | #7D7D7D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6078CF
#6078CF
oklch(59.5% 0.136 270.2)
- #9B7A00
#9B7A00
oklch(59.5% 0.121 89.7)
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 #6078CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.050
- Soft Blue #6488EA ΔE 0.054
- Cool Blue #4984B8 ΔE 0.058
- Steel Blue #4682B4 ΔE 0.062
- Cornflower #6A79F7 ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.063
- Royal Blue #4169E1 ΔE 0.064
Use #6078CF 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.