#778DA9
Named color: Silver Lake Blue. oklch(63.6% 0.049 254.6), rgb(119, 141, 169).
Aa
Black text reads best on this color (6.16:1).
About this color
#778DA9 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.049 and its hue 255°. Its hue sits on the cool side of the wheel. It is the named color Silver Lake Blue. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Silver Lake Blue |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #778DA9 |
| RGB | rgb(119, 141, 169) |
| HSL | hsl(214, 23%, 56%) |
| OKLCH | oklch(63.6% 0.049 254.6) |
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 #778DA9 | 3.40:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #778DA9 | 6.16:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #778DA9 text on white | 3.40:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #778DA9 text on black | 6.16:1 | AA | Lc -40.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D0
oklch(80.9% 0.024 252.2)
-
Step 400
400
#91A2B9
oklch(70.7% 0.039 256)
-
Step 500
500 (this color)
#778DA9
oklch(63.6% 0.049 254.6)
-
Step 600
600
#5E7593
oklch(55.6% 0.054 255.2)
-
Step 700
700
#4D627D
oklch(49% 0.051 254.9)
-
Step 800
800
#405066
oklch(42.7% 0.042 256.4)
-
Step 900
900
#364353
oklch(37.8% 0.032 253.8)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#778DA9 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) | #838EAA | 0.017 |
| Deuteranopia (no green cones) | #7D89A8 | 0.013 |
| Tritanopia (no blue cones) | #699396 | 0.043 |
| Achromatopsia (no color) | #8B8B8B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778DA9
#778DA9
oklch(63.6% 0.049 254.6)
- #9D876A
#9D876A
oklch(63.6% 0.049 74.4)
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 #778DA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.010
- Light Slate Gray #778899 ΔE 0.024
- Steel #738595 ΔE 0.034
- Faded Blue #658CBB ΔE 0.035
- Lavender Gray #7E7F9A ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.044
- Cool Gray #8D99AE ΔE 0.047
- Slate Gray #708090 ΔE 0.048
Use #778DA9 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.