#778BB1
Closest named color: Silver Lake Blue (#778DA9). oklch(63.5% 0.062 263), rgb(119, 139, 177).
Aa
Black text reads best on this color (6.11:1).
About this color
#778BB1 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.062 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.015 away. Black text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #778BB1 |
| RGB | rgb(119, 139, 177) |
| HSL | hsl(219, 27%, 58%) |
| OKLCH | oklch(63.5% 0.062 263) |
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 #778BB1 | 3.43:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #778BB1 | 6.11:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #778BB1 text on white | 3.43:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #778BB1 text on black | 6.11:1 | AA | Lc -39.8 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D5
oklch(80.9% 0.031 262.5)
-
Step 400
400
#91A1C0
oklch(70.7% 0.049 263.6)
-
Step 500
500 (this color)
#778BB1
oklch(63.5% 0.062 263)
-
Step 600
600
#5E739B
oklch(55.5% 0.067 262.9)
-
Step 700
700
#4E6185
oklch(49.2% 0.063 262.8)
-
Step 800
800
#404F6C
oklch(42.7% 0.052 263.2)
-
Step 900
900
#364257
oklch(37.7% 0.039 261.5)
-
Step 950
950
#202733
oklch(27.1% 0.025 261.1)
#778BB1 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) | #7E8DB3 | 0.012 |
| Deuteranopia (no green cones) | #7988B0 | 0.008 |
| Tritanopia (no blue cones) | #669398 | 0.055 |
| Achromatopsia (no color) | #8A8A8A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778BB1
#778BB1
oklch(63.5% 0.062 263)
- #9D885F
#9D885F
oklch(63.6% 0.062 83.7)
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 #778BB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.015
- Blue Grey #758DA3 ΔE 0.024
- Faded Blue #658CBB ΔE 0.025
- Light Slate Gray #778899 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.040
- Lavender Gray #7E7F9A ΔE 0.041
- Steel #738595 ΔE 0.043
- Off Blue #5684AE ΔE 0.047
Use #778BB1 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.