#778DAC
Closest named color: Silver Lake Blue (#778DA9). oklch(63.7% 0.053 257), rgb(119, 141, 172).
Aa
Black text reads best on this color (6.19:1).
About this color
#778DAC is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.053 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.005 away. Black text reads best on it, at 6.19:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.19:1 |
| White text | 3.39:1 |
Values
| HEX | #778DAC |
| RGB | rgb(119, 141, 172) |
| HSL | hsl(215, 24%, 57%) |
| OKLCH | oklch(63.7% 0.053 257) |
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 #778DAC | 3.39:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #778DAC | 6.19:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #778DAC text on white | 3.39:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #778DAC text on black | 6.19:1 | AA | Lc -40.3 | 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
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C2D2
oklch(81% 0.026 255.6)
-
Step 400
400
#90A2BB
oklch(70.7% 0.042 256.6)
-
Step 500
500 (this color)
#778DAC
oklch(63.7% 0.053 257)
-
Step 600
600
#5E7595
oklch(55.7% 0.057 256.7)
-
Step 700
700
#4D627F
oklch(49.1% 0.053 256.6)
-
Step 800
800
#3F5067
oklch(42.7% 0.044 256.1)
-
Step 900
900
#364254
oklch(37.6% 0.035 258.3)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#778DAC 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) | #828EAD | 0.015 |
| Deuteranopia (no green cones) | #7C89AB | 0.012 |
| Tritanopia (no blue cones) | #689497 | 0.047 |
| Achromatopsia (no color) | #8B8B8B | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778DAC
#778DAC
oklch(63.7% 0.053 257)
- #9E8867
#9E8867
oklch(63.8% 0.054 77.6)
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 #778DAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.005
- Blue Grey #758DA3 ΔE 0.014
- Light Slate Gray #778899 ΔE 0.028
- Faded Blue #658CBB ΔE 0.031
- Steel #738595 ΔE 0.037
- Lavender Gray #7E7F9A ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.043
- Cool Gray #8D99AE ΔE 0.047
Use #778DAC 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.