#778DAF
Closest named color: Silver Lake Blue (#778DA9). oklch(63.9% 0.057 259), rgb(119, 141, 175).
Aa
Black text reads best on this color (6.21:1).
About this color
#778DAF is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.057 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.009 away. Black text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #778DAF |
| RGB | rgb(119, 141, 175) |
| HSL | hsl(216, 26%, 58%) |
| OKLCH | oklch(63.9% 0.057 259) |
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 #778DAF | 3.37:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #778DAF | 6.21:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #778DAF text on white | 3.37:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #778DAF text on black | 6.21:1 | AA | Lc -40.4 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B6C1D3
oklch(80.8% 0.028 260.3)
-
Step 400
400
#90A2BD
oklch(70.7% 0.045 258.4)
-
Step 500
500 (this color)
#778DAF
oklch(63.9% 0.057 259)
-
Step 600
600
#5D7498
oklch(55.5% 0.063 259.2)
-
Step 700
700
#4D6282
oklch(49.2% 0.058 258.6)
-
Step 800
800
#3F5069
oklch(42.7% 0.047 257.9)
-
Step 900
900
#364256
oklch(37.7% 0.038 260.5)
-
Step 950
950
#1F2732
oklch(27% 0.024 256.4)
#778DAF 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) | #818FB1 | 0.015 |
| Deuteranopia (no green cones) | #7B89AE | 0.012 |
| Tritanopia (no blue cones) | #679498 | 0.051 |
| Achromatopsia (no color) | #8C8C8C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778DAF
#778DAF
oklch(63.9% 0.057 259)
- #9F8864
#9F8864
oklch(63.9% 0.058 78.6)
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 #778DAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.009
- Blue Grey #758DA3 ΔE 0.019
- Faded Blue #658CBB ΔE 0.028
- Light Slate Gray #778899 ΔE 0.033
- Steel #738595 ΔE 0.041
- Lavender Gray #7E7F9A ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.043
- Cool Gray #8D99AE ΔE 0.048
Use #778DAF 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.