#778ACF
Closest named color: Faded Blue (#658CBB). oklch(64.7% 0.106 271.5), rgb(119, 138, 207).
Aa
Black text reads best on this color (6.32:1).
About this color
#778ACF is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.106 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.040 away. Black text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #778ACF |
| RGB | rgb(119, 138, 207) |
| HSL | hsl(227, 48%, 64%) |
| OKLCH | oklch(64.7% 0.106 271.5) |
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 #778ACF | 3.32:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #778ACF | 6.32:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #778ACF text on white | 3.32:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #778ACF text on black | 6.32:1 | AA | Lc -41.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9ED
oklch(88.6% 0.029 270.4)
-
Step 300
300
#B4BFE3
oklch(80.8% 0.052 271.8)
-
Step 400
400
#8E9ED5
oklch(70.7% 0.083 271.6)
-
Step 500
500 (this color)
#778ACF
oklch(64.7% 0.106 271.5)
-
Step 600
600
#5B6EB6
oklch(55.6% 0.114 271.1)
-
Step 700
700
#4B5B9D
oklch(49% 0.107 271.7)
-
Step 800
800
#3E4B7F
oklch(42.7% 0.088 271.6)
-
Step 900
900
#343F66
oklch(37.7% 0.069 270.9)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#778ACF 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) | #7291D2 | 0.019 |
| Deuteranopia (no green cones) | #6A8ACD | 0.017 |
| Tritanopia (no blue cones) | #5998A3 | 0.095 |
| Achromatopsia (no color) | #8D8D8D | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778ACF
#778ACF
oklch(64.7% 0.106 271.5)
- #A68C39
#A68C39
oklch(64.8% 0.106 91.7)
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 #778ACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.040
- Soft Blue #6488EA ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.064
- Dusty Blue #5A86AD ΔE 0.065
Use #778ACF 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.