#778EA3
Closest named color: Blue Grey (#758DA3). oklch(63.6% 0.041 246.1), rgb(119, 142, 163).
Aa
Black text reads best on this color (6.18:1).
About this color
#778EA3 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.041 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.004 away. Black text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #778EA3 |
| RGB | rgb(119, 142, 163) |
| HSL | hsl(209, 19%, 55%) |
| OKLCH | oklch(63.6% 0.041 246.1) |
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 #778EA3 | 3.39:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #778EA3 | 6.18:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #778EA3 text on white | 3.39:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #778EA3 text on black | 6.18:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CD
oklch(80.8% 0.02 245.7)
-
Step 400
400
#91A3B4
oklch(70.7% 0.032 246.7)
-
Step 500
500 (this color)
#778EA3
oklch(63.6% 0.041 246.1)
-
Step 600
600
#5E768C
oklch(55.5% 0.044 246.4)
-
Step 700
700
#4D6377
oklch(49% 0.042 246.2)
-
Step 800
800
#405161
oklch(42.7% 0.034 247.1)
-
Step 900
900
#36434F
oklch(37.6% 0.027 246.4)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#778EA3 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) | #868EA4 | 0.020 |
| Deuteranopia (no green cones) | #8089A3 | 0.018 |
| Tritanopia (no blue cones) | #6A9395 | 0.034 |
| Achromatopsia (no color) | #8B8B8B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778EA3
#778EA3
oklch(63.6% 0.041 246.1)
- #9D8671
#9D8671
oklch(63.5% 0.041 64.4)
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 #778EA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.004
- Silver Lake Blue #778DA9 ΔE 0.011
- Light Slate Gray #778899 ΔE 0.019
- Steel #738595 ΔE 0.030
- Lavender Gray #7E7F9A ΔE 0.041
- Faded Blue #658CBB ΔE 0.043
- Slate Gray #708090 ΔE 0.045
- Cool Gray #8D99AE ΔE 0.046
Use #778EA3 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.