#778BAB
Closest named color: Silver Lake Blue (#778DA9). oklch(63.3% 0.054 259.7), rgb(119, 139, 171).
Aa
Black text reads best on this color (6.06:1).
About this color
#778BAB is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.054 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.007 away. Black text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #778BAB |
| RGB | rgb(119, 139, 171) |
| HSL | hsl(217, 24%, 57%) |
| OKLCH | oklch(63.3% 0.054 259.7) |
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 #778BAB | 3.46:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #778BAB | 6.06:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #778BAB text on white | 3.46:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #778BAB text on black | 6.06:1 | AA | Lc -39.5 | 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
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B7C1D2
oklch(80.8% 0.026 261.1)
-
Step 400
400
#91A2BB
oklch(70.7% 0.041 257.9)
-
Step 500
500 (this color)
#778BAB
oklch(63.3% 0.054 259.7)
-
Step 600
600
#5F7496
oklch(55.6% 0.059 259.9)
-
Step 700
700
#4F6180
oklch(49% 0.055 261.1)
-
Step 800
800
#405068
oklch(42.8% 0.045 258.3)
-
Step 900
900
#374254
oklch(37.7% 0.034 260.2)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#778BAB 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) | #808DAD | 0.014 |
| Deuteranopia (no green cones) | #7B88AA | 0.009 |
| Tritanopia (no blue cones) | #689296 | 0.048 |
| Achromatopsia (no color) | #8A8A8A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778BAB
#778BAB
oklch(63.3% 0.054 259.7)
- #9B8765
#9B8765
oklch(63.3% 0.054 80.7)
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 #778BAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.007
- Blue Grey #758DA3 ΔE 0.015
- Light Slate Gray #778899 ΔE 0.027
- Faded Blue #658CBB ΔE 0.031
- Steel #738595 ΔE 0.034
- Lavender Gray #7E7F9A ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.040
- Slate Gray #708090 ΔE 0.047
Use #778BAB 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.