#778AA4
Closest named color: Blue Grey (#758DA3). oklch(62.8% 0.045 256.3), rgb(119, 138, 164).
Aa
Black text reads best on this color (5.95:1).
About this color
#778AA4 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.045 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.009 away. Black text reads best on it, at 5.95:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #778AA4 |
| RGB | rgb(119, 138, 164) |
| HSL | hsl(215, 20%, 55%) |
| OKLCH | oklch(62.8% 0.045 256.3) |
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 #778AA4 | 3.52:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #778AA4 | 5.95:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #778AA4 text on white | 3.52:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #778AA4 text on black | 5.95:1 | AA | Lc -38.8 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B8C1CF
oklch(80.8% 0.022 259.2)
-
Step 400
400
#93A2B7
oklch(70.7% 0.035 256.8)
-
Step 500
500 (this color)
#778AA4
oklch(62.8% 0.045 256.3)
-
Step 600
600
#617590
oklch(55.7% 0.048 256)
-
Step 700
700
#50627B
oklch(49.1% 0.046 256.7)
-
Step 800
800
#425064
oklch(42.7% 0.038 257.3)
-
Step 900
900
#374251
oklch(37.5% 0.03 256.2)
-
Step 950
950
#212730
oklch(27.1% 0.019 258.4)
#778AA4 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) | #818BA5 | 0.014 |
| Deuteranopia (no green cones) | #7C86A3 | 0.012 |
| Tritanopia (no blue cones) | #6B9092 | 0.041 |
| Achromatopsia (no color) | #888888 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778AA4
#778AA4
oklch(62.8% 0.045 256.3)
- #98856A
#98856A
oklch(62.7% 0.045 76.4)
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 #778AA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.009
- Silver Lake Blue #778DA9 ΔE 0.010
- Light Slate Gray #778899 ΔE 0.016
- Steel #738595 ΔE 0.025
- Lavender Gray #7E7F9A ΔE 0.030
- Slate Gray #708090 ΔE 0.038
- Faded Blue #658CBB ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.041
Use #778AA4 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.