#777CA3
Closest named color: Lavender Gray (#7E7F9A). oklch(59.7% 0.06 278.7), rgb(119, 124, 163).
Aa
Black text reads best on this color (5.19:1).
About this color
#777CA3 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.060 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.021 away. Black text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #777CA3 |
| RGB | rgb(119, 124, 163) |
| HSL | hsl(233, 19%, 55%) |
| OKLCH | oklch(59.7% 0.06 278.7) |
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 #777CA3 | 4.04:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #777CA3 | 5.19:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #777CA3 text on white | 4.04:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #777CA3 text on black | 5.19:1 | AA | Lc -34.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BCBFD4
oklch(80.9% 0.03 279.3)
-
Step 400
400
#9A9EBE
oklch(70.7% 0.047 279.5)
-
Step 500
500 (this color)
#777CA3
oklch(59.7% 0.06 278.7)
-
Step 600
600
#6B7099
oklch(55.7% 0.064 278.7)
-
Step 700
700
#595D83
oklch(49.1% 0.061 279.2)
-
Step 800
800
#494C6A
oklch(42.6% 0.05 279.6)
-
Step 900
900
#3D4056
oklch(37.8% 0.038 278.4)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#777CA3 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) | #7180A5 | 0.013 |
| Deuteranopia (no green cones) | #6F7DA2 | 0.012 |
| Tritanopia (no blue cones) | #6C8389 | 0.054 |
| Achromatopsia (no color) | #7E7E7E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #777CA3
#777CA3
oklch(59.7% 0.06 278.7)
- #888056
#888056
oklch(59.6% 0.06 98.7)
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 #777CA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.021
- Slate Gray #708090 ΔE 0.037
- Steel #738595 ΔE 0.039
- Light Slate Gray #778899 ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.042
- Off Blue #5684AE ΔE 0.044
- Grey Blue #647D8E ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.047
Use #777CA3 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.